ubuntu-cve-2018-11805
Vulnerability from osv_ubuntu
Published
2019-12-12 23:15
Modified
2025-09-08 16:44
Summary
Details

In Apache SpamAssassin before 3.4.3, nefarious CF files can be configured to run system commands without any output or errors. With this, exploits can be injected in a number of scenarios. In addition to upgrading to SA 3.4.3, we recommend that users should only use update channels or 3rd party .cf files from trusted places.

Severity
6.7 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "sa-compile",
            "binary_version": "3.4.2-0ubuntu0.14.04.1+esm1"
          },
          {
            "binary_name": "spamassassin",
            "binary_version": "3.4.2-0ubuntu0.14.04.1+esm1"
          },
          {
            "binary_name": "spamc",
            "binary_version": "3.4.2-0ubuntu0.14.04.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "spamassassin",
        "purl": "pkg:deb/ubuntu/spamassassin@3.4.2-0ubuntu0.14.04.1+esm1?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.4.2-0ubuntu0.14.04.1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.3.2-6ubuntu2",
        "3.3.2-8ubuntu1",
        "3.3.2-8ubuntu2",
        "3.4.0-1",
        "3.4.0-1ubuntu1",
        "3.4.0-1ubuntu2",
        "3.4.0-1ubuntu2.1",
        "3.4.2-0ubuntu0.14.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "sa-compile",
            "binary_version": "3.4.2-0ubuntu0.16.04.2"
          },
          {
            "binary_name": "spamassassin",
            "binary_version": "3.4.2-0ubuntu0.16.04.2"
          },
          {
            "binary_name": "spamc",
            "binary_version": "3.4.2-0ubuntu0.16.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "spamassassin",
        "purl": "pkg:deb/ubuntu/spamassassin@3.4.2-0ubuntu0.16.04.2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.4.2-0ubuntu0.16.04.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.4.1-1",
        "3.4.1-2",
        "3.4.1-3",
        "3.4.2-0ubuntu0.16.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "sa-compile",
            "binary_version": "3.4.2-0ubuntu0.18.04.2"
          },
          {
            "binary_name": "spamassassin",
            "binary_version": "3.4.2-0ubuntu0.18.04.2"
          },
          {
            "binary_name": "spamc",
            "binary_version": "3.4.2-0ubuntu0.18.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "spamassassin",
        "purl": "pkg:deb/ubuntu/spamassassin@3.4.2-0ubuntu0.18.04.2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.4.2-0ubuntu0.18.04.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.4.1-7",
        "3.4.1-8",
        "3.4.1-8build1",
        "3.4.2-0ubuntu0.18.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "In Apache SpamAssassin before 3.4.3, nefarious CF files can be configured to run system commands without any output or errors. With this, exploits can be injected in a number of scenarios. In addition to upgrading to SA 3.4.3, we recommend that users should only use update channels or 3rd party .cf files from trusted places.",
  "id": "UBUNTU-CVE-2018-11805",
  "modified": "2025-09-08T16:44:53Z",
  "published": "2019-12-12T23:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-11805"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2019/12/12/1"
    },
    {
      "type": "REPORT",
      "url": "https://markmail.org/message/pyp425yrulfxyhrn"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2019/12/12/1"
    },
    {
      "type": "REPORT",
      "url": "https://bz.apache.org/SpamAssassin/show_bug.cgi?id=7647"
    },
    {
      "type": "REPORT",
      "url": "https://lists.apache.org/thread.html/2946b38caec47f7f6a79e8e03d2aa723794186e59a7dc6b5e76dfc18@%3Cannounce.spamassassin.apache.org%3E"
    },
    {
      "type": "REPORT",
      "url": "https://lists.apache.org/thread.html/6f89f82a573ea616dce53ec67e52d963618a9f9ac71da5c1efdbd166@%3Cusers.spamassassin.apache.org%3E"
    },
    {
      "type": "REPORT",
      "url": "https://lists.apache.org/thread.html/bc58907171c6585e5875a3ce86066d4956c218911cb74e3156de4433@%3Cannounce.apache.org%3E"
    },
    {
      "type": "REPORT",
      "url": "https://lists.apache.org/thread.html/d015dc5b4f24fd6777a85d068502a9c5d58d69d877ed5b0eb9a22cd5@%3Cdev.spamassassin.apache.org%3E"
    },
    {
      "type": "REPORT",
      "url": "https://seclists.org/oss-sec/2019/q4/154"
    },
    {
      "type": "REPORT",
      "url": "https://svn.apache.org/repos/asf/spamassassin/branches/3.4/build/announcements/3.4.3.txt"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4237-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4237-2"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2018-11805"
    }
  ],
  "related": [
    "USN-4237-1",
    "USN-4237-2"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2018-11805"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.