Vulnerability-Lookup

CNVD-2021-25273

Vulnerability from cnvd - Published: 2021-04-06

Title

CoTURN信息泄露漏洞

Description

CoTURN是一款TURN（VoIP媒体业务NAT穿越服务器和网关）和STUN（用户数据报协议简单穿越网络地址转换器）Server的开源实现。 CoTURN 4.5.1.3之前版本中存在安全漏洞，该漏洞源于程序未能正确初始化STUN/TURN响应缓冲区。攻击者可利用该漏洞获取信息。

Severity

中

Patch Name

CoTURN信息泄露漏洞的补丁

Patch Description

CoTURN是一款TURN（VoIP媒体业务NAT穿越服务器和网关）和STUN（用户数据报协议简单穿越网络地址转换器）Server的开源实现。 CoTURN 4.5.1.3之前版本中存在安全漏洞，该漏洞源于程序未能正确初始化STUN/TURN响应缓冲区。攻击者可利用该漏洞获取信息。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://github.com/coturn/coturn/security/advisories/GHSA-c8r8-8vp5-6gcm

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00010.html

Impacted products

Name
coTURN coTURN <4.5.1.3

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-4067"
    }
  },
  "description": "CoTURN\u662f\u4e00\u6b3eTURN\uff08VoIP\u5a92\u4f53\u4e1a\u52a1NAT\u7a7f\u8d8a\u670d\u52a1\u5668\u548c\u7f51\u5173\uff09\u548cSTUN\uff08\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae\u7b80\u5355\u7a7f\u8d8a\u7f51\u7edc\u5730\u5740\u8f6c\u6362\u5668\uff09Server\u7684\u5f00\u6e90\u5b9e\u73b0\u3002\n\nCoTURN 4.5.1.3\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u521d\u59cb\u5316STUN/TURN\u54cd\u5e94\u7f13\u51b2\u533a\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u4fe1\u606f\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1ahttps://github.com/coturn/coturn/security/advisories/GHSA-c8r8-8vp5-6gcm",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-25273",
  "openTime": "2021-04-06",
  "patchDescription": "CoTURN\u662f\u4e00\u6b3eTURN\uff08VoIP\u5a92\u4f53\u4e1a\u52a1NAT\u7a7f\u8d8a\u670d\u52a1\u5668\u548c\u7f51\u5173\uff09\u548cSTUN\uff08\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae\u7b80\u5355\u7a7f\u8d8a\u7f51\u7edc\u5730\u5740\u8f6c\u6362\u5668\uff09Server\u7684\u5f00\u6e90\u5b9e\u73b0\u3002\r\n\r\nCoTURN 4.5.1.3\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u521d\u59cb\u5316STUN/TURN\u54cd\u5e94\u7f13\u51b2\u533a\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u4fe1\u606f\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "CoTURN\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "coTURN coTURN \u003c4.5.1.3"
  },
  "referenceLink": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00010.html",
  "serverity": "\u4e2d",
  "submitTime": "2020-06-30",
  "title": "CoTURN\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2020-4067 (GCVE-0-2020-4067)

Vulnerability from cvelistv5 – Published: 2020-06-29 19:55 – Updated: 2024-08-04 07:52

Title

Improper Initialization in coturn

Summary

In coturn before version 4.5.1.3, there is an issue whereby STUN/TURN response buffer is not initialized properly. There is a leak of information between different client connections. One client (an attacker) could use their connection to intelligently query coturn to get interesting bytes in the padding bytes from the connection of another client. This has been fixed in 4.5.1.3.

Severity

7 (High)


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

CWE

CWE-665 - Improper Initialization

Assigner

GitHub_M mitre root

References

9 references

URL	Tags
https://github.com/coturn/coturn/security/advisor…	x_refsource_CONFIRM
https://github.com/coturn/coturn/issues/583	x_refsource_MISC
https://github.com/coturn/coturn/blob/aab60340b20…	x_refsource_MISC
https://www.debian.org/security/2020/dsa-4711	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://usn.ubuntu.com/4415-1/	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

Impacted products

1 product

Vendor	Product	Version
coturn	coturn	Affected: >= 5.1.1, < 6.0.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T07:52:20.848Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/coturn/coturn/security/advisories/GHSA-c8r8-8vp5-6gcm"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/coturn/coturn/issues/583"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/coturn/coturn/blob/aab60340b201d55c007bcdc853230f47aa2dfdf1/ChangeLog#L15"
          },
          {
            "name": "DSA-4711",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4711"
          },
          {
            "name": "[debian-lts-announce] 20200701 [SECURITY] [DLA 2271-1] coturn security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00002.html"
          },
          {
            "name": "openSUSE-SU-2020:0937",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00010.html"
          },
          {
            "name": "USN-4415-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4415-1/"
          },
          {
            "name": "FEDORA-2020-9eadf517de",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNJJO77ZLGGFJWNUGP6VDG5HPAC5UDBK/"
          },
          {
            "name": "FEDORA-2020-d946f64eea",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5G35UBNSRLL6SYRTODYTMBJ65TLQILUM/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "coturn",
          "vendor": "coturn",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 5.1.1, \u003c 6.0.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In coturn before version 4.5.1.3, there is an issue whereby STUN/TURN response buffer is not initialized properly. There is a leak of information between different client connections. One client (an attacker) could use their connection to intelligently query coturn to get interesting bytes in the padding bytes from the connection of another client. This has been fixed in 4.5.1.3."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-665",
              "description": "CWE-665: Improper Initialization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-07-09T02:06:26.000Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/coturn/coturn/security/advisories/GHSA-c8r8-8vp5-6gcm"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/coturn/coturn/issues/583"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/coturn/coturn/blob/aab60340b201d55c007bcdc853230f47aa2dfdf1/ChangeLog#L15"
        },
        {
          "name": "DSA-4711",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2020/dsa-4711"
        },
        {
          "name": "[debian-lts-announce] 20200701 [SECURITY] [DLA 2271-1] coturn security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00002.html"
        },
        {
          "name": "openSUSE-SU-2020:0937",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00010.html"
        },
        {
          "name": "USN-4415-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4415-1/"
        },
        {
          "name": "FEDORA-2020-9eadf517de",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNJJO77ZLGGFJWNUGP6VDG5HPAC5UDBK/"
        },
        {
          "name": "FEDORA-2020-d946f64eea",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5G35UBNSRLL6SYRTODYTMBJ65TLQILUM/"
        }
      ],
      "source": {
        "advisory": "GHSA-c8r8-8vp5-6gcm",
        "discovery": "UNKNOWN"
      },
      "title": "Improper Initialization in coturn",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2020-4067",
          "STATE": "PUBLIC",
          "TITLE": "Improper Initialization in coturn"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "coturn",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "\u003e= 5.1.1, \u003c 6.0.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "coturn"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In coturn before version 4.5.1.3, there is an issue whereby STUN/TURN response buffer is not initialized properly. There is a leak of information between different client connections. One client (an attacker) could use their connection to intelligently query coturn to get interesting bytes in the padding bytes from the connection of another client. This has been fixed in 4.5.1.3."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-665: Improper Initialization"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/coturn/coturn/security/advisories/GHSA-c8r8-8vp5-6gcm",
              "refsource": "CONFIRM",
              "url": "https://github.com/coturn/coturn/security/advisories/GHSA-c8r8-8vp5-6gcm"
            },
            {
              "name": "https://github.com/coturn/coturn/issues/583",
              "refsource": "MISC",
              "url": "https://github.com/coturn/coturn/issues/583"
            },
            {
              "name": "https://github.com/coturn/coturn/blob/aab60340b201d55c007bcdc853230f47aa2dfdf1/ChangeLog#L15",
              "refsource": "MISC",
              "url": "https://github.com/coturn/coturn/blob/aab60340b201d55c007bcdc853230f47aa2dfdf1/ChangeLog#L15"
            },
            {
              "name": "DSA-4711",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2020/dsa-4711"
            },
            {
              "name": "[debian-lts-announce] 20200701 [SECURITY] [DLA 2271-1] coturn security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00002.html"
            },
            {
              "name": "openSUSE-SU-2020:0937",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00010.html"
            },
            {
              "name": "USN-4415-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4415-1/"
            },
            {
              "name": "FEDORA-2020-9eadf517de",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TNJJO77ZLGGFJWNUGP6VDG5HPAC5UDBK/"
            },
            {
              "name": "FEDORA-2020-d946f64eea",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5G35UBNSRLL6SYRTODYTMBJ65TLQILUM/"
            }
          ]
        },
        "source": {
          "advisory": "GHSA-c8r8-8vp5-6gcm",
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2020-4067",
    "datePublished": "2020-06-29T19:55:13.000Z",
    "dateReserved": "2019-12-30T00:00:00.000Z",
    "dateUpdated": "2024-08-04T07:52:20.848Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.