Vulnerability-Lookup

ubuntu-cve-2020-12137

Vulnerability from osv_ubuntu

Published

2020-04-24 13:15

Modified

2025-09-08 16:46

Summary

Details

GNU Mailman 2.x before 2.1.30 uses the .obj extension for scrubbed application/octet-stream MIME parts. This behavior may contribute to XSS attacks against list-archive visitors, because an HTTP reply from an archive web server may lack a MIME type, and a web browser may perform MIME sniffing, conclude that the MIME type should have been text/html, and execute JavaScript code.

Severity

6.1 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2020-12137	REPORT
	https://www.openwall.com/lists/oss-security/2020/…	REPORT
	http://bazaar.launchpad.net/~mailman-coders/mailm…	REPORT
	http://bazaar.launchpad.net/~mailman-coders/mailm…	REPORT
	http://www.openwall.com/lists/oss-security/2020/04/24/3	REPORT
	https://www.openwall.com/lists/oss-security/2020/…	REPORT
	https://ubuntu.com/security/notices/USN-4348-1	ADVISORY
	https://ubuntu.com/security/notices/USN-5121-2	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2020-12137	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "mailman",
            "binary_version": "1:2.1.20-1ubuntu0.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "mailman",
        "purl": "pkg:deb/ubuntu/mailman@1:2.1.20-1ubuntu0.4?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.1.20-1ubuntu0.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.1.20-1",
        "1:2.1.20-1ubuntu0.1",
        "1:2.1.20-1ubuntu0.3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "mailman",
            "binary_version": "1:2.1.26-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "mailman",
        "purl": "pkg:deb/ubuntu/mailman@1:2.1.26-1ubuntu0.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.1.26-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.1.23-1",
        "1:2.1.24-1",
        "1:2.1.25-1",
        "1:2.1.26-1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "mailman",
            "binary_version": "1:2.1.29-1ubuntu3.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "mailman",
        "purl": "pkg:deb/ubuntu/mailman@1:2.1.29-1ubuntu3.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.1.29-1ubuntu3.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.1.29-1",
        "1:2.1.29-1build1",
        "1:2.1.29-1ubuntu3"
      ]
    }
  ],
  "aliases": [],
  "details": "GNU Mailman 2.x before 2.1.30 uses the .obj extension for scrubbed application/octet-stream MIME parts. This behavior may contribute to XSS attacks against list-archive visitors, because an HTTP reply from an archive web server may lack a MIME type, and a web browser may perform MIME sniffing, conclude that the MIME type should have been text/html, and execute JavaScript code.",
  "id": "UBUNTU-CVE-2020-12137",
  "modified": "2025-09-08T16:46:05Z",
  "published": "2020-04-24T13:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-12137"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2020/02/24/2"
    },
    {
      "type": "REPORT",
      "url": "http://bazaar.launchpad.net/~mailman-coders/mailman/2.1/revision/1801"
    },
    {
      "type": "REPORT",
      "url": "http://bazaar.launchpad.net/~mailman-coders/mailman/2.1/view/head:/NEWS"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2020/04/24/3"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2020/02/24/3"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4348-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5121-2"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-12137"
    }
  ],
  "related": [
    "USN-4348-1",
    "USN-5121-2"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-12137"
  ]
}

CVE-2020-12137 (GCVE-0-2020-12137)

Vulnerability from cvelistv5 – Published: 2020-04-24 12:37 – Updated: 2024-08-04 11:48

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

11 references

URL	Tags
https://www.openwall.com/lists/oss-security/2020/…	x_refsource_MISC
https://www.openwall.com/lists/oss-security/2020/…	x_refsource_MISC
http://bazaar.launchpad.net/~mailman-coders/mailm…	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2020/04/24/3	mailing-listx_refsource_MLIST
https://www.debian.org/security/2020/dsa-4664	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
https://usn.ubuntu.com/4348-1/	vendor-advisoryx_refsource_UBUNTU
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2024-08-04T11:48:58.357Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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          },
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            "tags": [
              "x_refsource_MISC",
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            ],
            "url": "https://www.openwall.com/lists/oss-security/2020/02/24/3"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://bazaar.launchpad.net/~mailman-coders/mailman/2.1/view/head:/NEWS"
          },
          {
            "name": "[oss-security] 20200424 Re: mailman 2.x: XSS via file attachments in list archives",
            "tags": [
              "mailing-list",
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              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2020/04/24/3"
          },
          {
            "name": "DSA-4664",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4664"
          },
          {
            "name": "[debian-lts-announce] 20200503 [SECURITY] [DLA 2200-1] mailman security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00002.html"
          },
          {
            "name": "USN-4348-1",
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              "x_refsource_UBUNTU",
              "x_transferred"
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          },
          {
            "name": "FEDORA-2020-69f2f1d987",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G4COSBBEMJYLV7WSW5QTUJUOFJFK47KK/"
          },
          {
            "name": "FEDORA-2020-20b748e81e",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YCMGTTOXXCVM4O6CYZLTZDX6YLYORNF/"
          },
          {
            "name": "openSUSE-SU-2020:1707",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00047.html"
          },
          {
            "name": "openSUSE-SU-2020:1752",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00063.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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      "descriptions": [
        {
          "lang": "en",
          "value": "GNU Mailman 2.x before 2.1.30 uses the .obj extension for scrubbed application/octet-stream MIME parts. This behavior may contribute to XSS attacks against list-archive visitors, because an HTTP reply from an archive web server may lack a MIME type, and a web browser may perform MIME sniffing, conclude that the MIME type should have been text/html, and execute JavaScript code."
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      "providerMetadata": {
        "dateUpdated": "2020-10-27T15:06:31.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
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          "url": "https://www.openwall.com/lists/oss-security/2020/02/24/2"
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        },
        {
          "name": "[oss-security] 20200424 Re: mailman 2.x: XSS via file attachments in list archives",
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            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2020/dsa-4664"
        },
        {
          "name": "[debian-lts-announce] 20200503 [SECURITY] [DLA 2200-1] mailman security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00002.html"
        },
        {
          "name": "USN-4348-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4348-1/"
        },
        {
          "name": "FEDORA-2020-69f2f1d987",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G4COSBBEMJYLV7WSW5QTUJUOFJFK47KK/"
        },
        {
          "name": "FEDORA-2020-20b748e81e",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YCMGTTOXXCVM4O6CYZLTZDX6YLYORNF/"
        },
        {
          "name": "openSUSE-SU-2020:1707",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00047.html"
        },
        {
          "name": "openSUSE-SU-2020:1752",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00063.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-12137",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
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            },
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              "name": "https://www.openwall.com/lists/oss-security/2020/02/24/3",
              "refsource": "MISC",
              "url": "https://www.openwall.com/lists/oss-security/2020/02/24/3"
            },
            {
              "name": "http://bazaar.launchpad.net/~mailman-coders/mailman/2.1/view/head:/NEWS",
              "refsource": "MISC",
              "url": "http://bazaar.launchpad.net/~mailman-coders/mailman/2.1/view/head:/NEWS"
            },
            {
              "name": "[oss-security] 20200424 Re: mailman 2.x: XSS via file attachments in list archives",
              "refsource": "MLIST",
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              "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00002.html"
            },
            {
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              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4348-1/"
            },
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              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6YCMGTTOXXCVM4O6CYZLTZDX6YLYORNF/"
            },
            {
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              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00047.html"
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            {
              "name": "openSUSE-SU-2020:1752",
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              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00063.html"
            }
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-12137",
    "datePublished": "2020-04-24T12:37:58.000Z",
    "dateReserved": "2020-04-24T00:00:00.000Z",
    "dateUpdated": "2024-08-04T11:48:58.357Z",
    "state": "PUBLISHED"
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}

usn-4348-1

Vulnerability from osv_ubuntu

Published

2020-04-29 14:40

Modified

2026-02-10 04:41

Summary

mailman vulnerabilities

Details

It was discovered that Mailman incorrectly handled certain inputs. An attacker could possibly use this to issue execute arbitrary scripts or HTML. (CVE-2018-0618)

It was discovered that Mailman incorrectly handled certain inputs. An attacker could possibly use this issue to display arbitrary text on a web page. (CVE-2018-13796)

It was discovered that Mailman incorrectly handled certain files. An attacker could possibly use this issue to execute arbitrary code. (CVE-2020-12137)

References

URL

Type

	https://ubuntu.com/security/notices/USN-4348-1	ADVISORY
	https://ubuntu.com/security/CVE-2018-0618	REPORT
	https://ubuntu.com/security/CVE-2018-13796	REPORT
	https://ubuntu.com/security/CVE-2020-12137	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-0618",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-13796",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-12137",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "mailman",
            "binary_version": "1:2.1.20-1ubuntu0.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "mailman",
        "purl": "pkg:deb/ubuntu/mailman@1:2.1.20-1ubuntu0.4?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.1.20-1ubuntu0.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.1.20-1",
        "1:2.1.20-1ubuntu0.1",
        "1:2.1.20-1ubuntu0.3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-0618",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-13796",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-12137",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "mailman",
            "binary_version": "1:2.1.26-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "mailman",
        "purl": "pkg:deb/ubuntu/mailman@1:2.1.26-1ubuntu0.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.1.26-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.1.23-1",
        "1:2.1.24-1",
        "1:2.1.25-1",
        "1:2.1.26-1"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that Mailman incorrectly handled certain inputs.\nAn attacker could possibly use this to issue execute arbitrary scripts\nor HTML. (CVE-2018-0618)\n\nIt was discovered that Mailman incorrectly handled certain inputs.\nAn attacker could possibly use this issue to display arbitrary text\non a web page. (CVE-2018-13796)\n\nIt was discovered that Mailman incorrectly handled certain files.\nAn attacker could possibly use this issue to execute arbitrary code.\n(CVE-2020-12137)\n",
  "id": "USN-4348-1",
  "modified": "2026-02-10T04:41:49Z",
  "published": "2020-04-29T14:40:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4348-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-0618"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-13796"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-12137"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "mailman vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2018-0618",
    "UBUNTU-CVE-2018-13796",
    "UBUNTU-CVE-2020-12137"
  ]
}

usn-5121-2

Vulnerability from osv_ubuntu

Published

2021-11-01 11:49

Modified

2026-02-10 04:42

Summary

mailman vulnerabilities

Details

USN-5009-1 fixed vulnerabilities in Mailman. This update provides the corresponding updates for Ubuntu 20.04 LTS. In addition, the following CVEs were fixed:

It was discovered that Mailman allows arbitrary content injection. An attacker could use this to inject malicious content. (CVE-2020-12108, CVE-2020-15011)

It was discovered that Mailman improperly sanitize the MIME content. An attacker could obtain sensitive information by sending a special type of attachment. (CVE-2020-12137)

Original advisory details:

Andre Protas, Richard Cloke, and Andy Nuttall discovered that Mailman did not properly associate cross-site request forgery (CSRF) tokens to specific accounts. A remote attacker could use this to perform a CSRF attack to gain access to another account. (CVE-2021-42097)

Andre Protas, Richard Cloke, and Andy Nuttall discovered that Mailman’s cross-site request forgery (CSRF) tokens for the options page are derived from the admin password. A remote attacker could possibly use this to assist in performing a brute force attack against the admin password. (CVE-2021-42096)

References

URL

Type

	https://ubuntu.com/security/notices/USN-5121-2	ADVISORY
	https://ubuntu.com/security/CVE-2020-12108	REPORT
	https://ubuntu.com/security/CVE-2020-12137	REPORT
	https://ubuntu.com/security/CVE-2020-15011	REPORT
	https://ubuntu.com/security/CVE-2021-42096	REPORT
	https://ubuntu.com/security/CVE-2021-42097	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-12108",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-12137",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-15011",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-42096",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-42097",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "mailman",
            "binary_version": "1:2.1.29-1ubuntu3.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "mailman",
        "purl": "pkg:deb/ubuntu/mailman@1:2.1.29-1ubuntu3.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.1.29-1ubuntu3.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.1.29-1",
        "1:2.1.29-1build1",
        "1:2.1.29-1ubuntu3"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-5009-1 fixed vulnerabilities in Mailman. This update provides the\ncorresponding updates for Ubuntu 20.04 LTS. In addition, the following CVEs\nwere fixed:\n\nIt was discovered that Mailman allows arbitrary content injection. An attacker\ncould use this to inject malicious content. (CVE-2020-12108, CVE-2020-15011)\n\nIt was discovered that Mailman improperly sanitize the MIME content. An\nattacker could obtain sensitive information by sending a special type of\nattachment. (CVE-2020-12137)\n\nOriginal advisory details:\n\nAndre Protas, Richard Cloke, and Andy Nuttall discovered that Mailman\ndid not properly associate cross-site request forgery (CSRF) tokens\nto specific accounts. A remote attacker could use this to perform a\nCSRF attack to gain access to another account. (CVE-2021-42097)\n\nAndre Protas, Richard Cloke, and Andy Nuttall discovered that Mailman\u2019s\ncross-site request forgery (CSRF) tokens for the options page are\nderived from the admin password. A remote attacker could possibly use\nthis to assist in performing a brute force attack against the admin\npassword. (CVE-2021-42096)\n",
  "id": "USN-5121-2",
  "modified": "2026-02-10T04:42:21Z",
  "published": "2021-11-01T11:49:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5121-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-12108"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-12137"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-15011"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-42096"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-42097"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "mailman vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2020-12108",
    "UBUNTU-CVE-2020-12137",
    "UBUNTU-CVE-2020-15011",
    "UBUNTU-CVE-2021-42096",
    "UBUNTU-CVE-2021-42097"
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

ubuntu-cve-2020-12137

Vulnerability from osv_ubuntu

CVE-2020-12137 (GCVE-0-2020-12137)

usn-4348-1

Vulnerability from osv_ubuntu

usn-5121-2

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature

Related by attack behaviour