cnvd-2021-69944
Vulnerability from cnvd
Title
PJSIP竞争条件问题漏洞
Description
PJSIP是一个免费和开源的多媒体通信库，用C语言编写，实现基于标准的协议，如SIP, SDP, RTP, STUN, TURN，和ICE。 PJSIP中存在竞争条件问题漏洞，该漏洞源于网络系统或产品在运行过程中，并发代码需要互斥地访问共享资源时，对于并发访问的处理不当，攻击者可利用该漏洞导致拒绝服务。
Severity
中
Patch Name
PJSIP竞争条件问题漏洞的补丁
Patch Description
PJSIP是一个免费和开源的多媒体通信库，用C语言编写，实现基于标准的协议，如SIP, SDP, RTP, STUN, TURN，和ICE。 PJSIP中存在竞争条件问题漏洞，该漏洞源于网络系统或产品在运行过程中，并发代码需要互斥地访问共享资源时，对于并发访问的处理不当，攻击者可利用该漏洞导致拒绝服务。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/security/advisories/GHSA-cv8x-p47p-99wr

Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-32686
Impacted products
Name
PJSIP PJSIP <2.11.1
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-32686"
    }
  },
  "description": "PJSIP\u662f\u4e00\u4e2a\u514d\u8d39\u548c\u5f00\u6e90\u7684\u591a\u5a92\u4f53\u901a\u4fe1\u5e93\uff0c\u7528C\u8bed\u8a00\u7f16\u5199\uff0c\u5b9e\u73b0\u57fa\u4e8e\u6807\u51c6\u7684\u534f\u8bae\uff0c\u5982SIP, SDP, RTP, STUN, TURN\uff0c\u548cICE\u3002\n\nPJSIP\u4e2d\u5b58\u5728\u7ade\u4e89\u6761\u4ef6\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u5e76\u53d1\u4ee3\u7801\u9700\u8981\u4e92\u65a5\u5730\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\u65f6\uff0c\u5bf9\u4e8e\u5e76\u53d1\u8bbf\u95ee\u7684\u5904\u7406\u4e0d\u5f53\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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/security/advisories/GHSA-cv8x-p47p-99wr",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-69944",
  "openTime": "2021-09-10",
  "patchDescription": "PJSIP\u662f\u4e00\u4e2a\u514d\u8d39\u548c\u5f00\u6e90\u7684\u591a\u5a92\u4f53\u901a\u4fe1\u5e93\uff0c\u7528C\u8bed\u8a00\u7f16\u5199\uff0c\u5b9e\u73b0\u57fa\u4e8e\u6807\u51c6\u7684\u534f\u8bae\uff0c\u5982SIP, SDP, RTP, STUN, TURN\uff0c\u548cICE\u3002\r\n\r\nPJSIP\u4e2d\u5b58\u5728\u7ade\u4e89\u6761\u4ef6\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u5e76\u53d1\u4ee3\u7801\u9700\u8981\u4e92\u65a5\u5730\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\u65f6\uff0c\u5bf9\u4e8e\u5e76\u53d1\u8bbf\u95ee\u7684\u5904\u7406\u4e0d\u5f53\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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\u7ade\u4e89\u6761\u4ef6\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "PJSIP PJSIP \u003c2.11.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-32686",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-30",
  "title": "PJSIP\u7ade\u4e89\u6761\u4ef6\u95ee\u9898\u6f0f\u6d1e"
}


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