Vulnerability-Lookup

CNVD-2022-34637

Vulnerability from cnvd - Published: 2022-05-06

Title

PJSIP拒绝服务漏洞

Description

PJSIP是一个免费的开源多媒体通信库，用C语言编写。 PJSIP存在一个拒绝服务漏洞，攻击者可利用该漏洞影响在其应用中使用PJSIP XML解析的PJSIP用户。

Severity

中

Patch Name

PJSIP拒绝服务漏洞的补丁

Patch Description

PJSIP是一个免费的开源多媒体通信库，用C语言编写。 PJSIP存在一个拒绝服务漏洞，攻击者可利用该漏洞影响在其应用中使用PJSIP XML解析的PJSIP用户。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

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/pjsip/pjproject/commit/856f87c2e97a27b256482dbe0d748b1194355a21

Reference

https://github.com/pjsip/pjproject/security/advisories/GHSA-5x45-qp78-g4p4

Impacted products

Name
PJSIP PJSIP <=2.12

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-24763",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-24763"
    }
  },
  "description": "PJSIP\u662f\u4e00\u4e2a\u514d\u8d39\u7684\u5f00\u6e90\u591a\u5a92\u4f53\u901a\u4fe1\u5e93\uff0c\u7528C\u8bed\u8a00\u7f16\u5199\u3002\n\nPJSIP\u5b58\u5728\u4e00\u4e2a\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5f71\u54cd\u5728\u5176\u5e94\u7528\u4e2d\u4f7f\u7528PJSIP XML\u89e3\u6790\u7684PJSIP\u7528\u6237\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/pjsip/pjproject/commit/856f87c2e97a27b256482dbe0d748b1194355a21",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-34637",
  "openTime": "2022-05-06",
  "patchDescription": "PJSIP\u662f\u4e00\u4e2a\u514d\u8d39\u7684\u5f00\u6e90\u591a\u5a92\u4f53\u901a\u4fe1\u5e93\uff0c\u7528C\u8bed\u8a00\u7f16\u5199\u3002\r\n\r\nPJSIP\u5b58\u5728\u4e00\u4e2a\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5f71\u54cd\u5728\u5176\u5e94\u7528\u4e2d\u4f7f\u7528PJSIP XML\u89e3\u6790\u7684PJSIP\u7528\u6237\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": "PJSIP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "PJSIP PJSIP \u003c=2.12"
  },
  "referenceLink": "https://github.com/pjsip/pjproject/security/advisories/GHSA-5x45-qp78-g4p4",
  "serverity": "\u4e2d",
  "submitTime": "2022-03-31",
  "title": "PJSIP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2022-24763 (GCVE-0-2022-24763)

Vulnerability from cvelistv5 – Published: 2022-03-30 00:00 – Updated: 2025-11-04 16:09

Title

Infinite Loop in PJSIP

Summary

PJSIP is a free and open source multimedia communication library written in the C language. Versions 2.12 and prior contain a denial-of-service vulnerability that affects PJSIP users that consume PJSIP's XML parsing in their apps. Users are advised to update. There are no known workarounds.

Severity

7.5 (High)


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

CWE

CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Assigner

GitHub_M mitre root

References

8 references

URL	Tags
https://github.com/pjsip/pjproject/security/advis…
https://github.com/pjsip/pjproject/commit/856f87c…
https://lists.debian.org/debian-lts-announce/2022…	mailing-list
https://security.gentoo.org/glsa/202210-37	vendor-advisory
https://lists.debian.org/debian-lts-announce/2022…	mailing-list
https://www.debian.org/security/2022/dsa-5285	vendor-advisory
https://lists.debian.org/debian-lts-announce/2023…	mailing-list
https://lists.debian.org/debian-lts-announce/2024…

Impacted products

1 product

Vendor	Product	Version
pjsip	pjproject	Affected: <= 2.12

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-04T16:09:36.751Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-5x45-qp78-g4p4"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/pjsip/pjproject/commit/856f87c2e97a27b256482dbe0d748b1194355a21"
          },
          {
            "name": "[debian-lts-announce] 20220531 [SECURITY] [DLA 3036-1] pjproject security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00047.html"
          },
          {
            "name": "GLSA-202210-37",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202210-37"
          },
          {
            "name": "[debian-lts-announce] 20221117 [SECURITY] [DLA 3194-1] asterisk security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html"
          },
          {
            "name": "DSA-5285",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2022/dsa-5285"
          },
          {
            "name": "[debian-lts-announce] 20230829 [SECURITY] [DLA 3549-1] ring security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00030.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "pjproject",
          "vendor": "pjsip",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 2.12"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "PJSIP is a free and open source multimedia communication library written in the C language. Versions 2.12 and prior contain a denial-of-service vulnerability that affects PJSIP users that consume PJSIP\u0027s XML parsing in their apps. Users are advised to update. There are no known workarounds."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-835",
              "description": "CWE-835: Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-08-30T00:06:45.701Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-5x45-qp78-g4p4"
        },
        {
          "url": "https://github.com/pjsip/pjproject/commit/856f87c2e97a27b256482dbe0d748b1194355a21"
        },
        {
          "name": "[debian-lts-announce] 20220531 [SECURITY] [DLA 3036-1] pjproject security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00047.html"
        },
        {
          "name": "GLSA-202210-37",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202210-37"
        },
        {
          "name": "[debian-lts-announce] 20221117 [SECURITY] [DLA 3194-1] asterisk security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html"
        },
        {
          "name": "DSA-5285",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.debian.org/security/2022/dsa-5285"
        },
        {
          "name": "[debian-lts-announce] 20230829 [SECURITY] [DLA 3549-1] ring security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html"
        }
      ],
      "source": {
        "advisory": "GHSA-5x45-qp78-g4p4",
        "discovery": "UNKNOWN"
      },
      "title": "Infinite Loop in PJSIP"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2022-24763",
    "datePublished": "2022-03-30T00:00:00.000Z",
    "dateReserved": "2022-02-10T00:00:00.000Z",
    "dateUpdated": "2025-11-04T16:09:36.751Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.