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CNVD-2021-89951

Vulnerability from cnvd - Published: 2021-11-23
VLAI
Title
FAAD2堆缓冲区溢出漏洞(CNVD-2021-89951)
Description
Freeware Advanced Audio Decoder 2 (FAAD2)是一款根据GPLv2许可证授权的开源MPEG-4和MPEG-2 AAC解码器。 FAAD2 2.10.0及更早版本中的mp4read.c中的stszin函数存在堆缓冲区溢出漏洞。攻击者可利用该漏洞执行代码。
Severity
Patch Name
FAAD2堆缓冲区溢出漏洞(CNVD-2021-89951)的补丁
Patch Description
Freeware Advanced Audio Decoder 2 (FAAD2)是一款根据GPLv2许可证授权的开源MPEG-4和MPEG-2 AAC解码器。 FAAD2 2.10.0及更早版本中的mp4read.c中的stszin函数存在堆缓冲区溢出漏洞。攻击者可利用该漏洞执行代码。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/knik0/faad2/commit/1b71a6ba963d131375f5e489b3b25e36f19f3f24

Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-32272
Impacted products
Name
FAAD2 FAAD2 <=2.10.0
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-32272",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-32272"
    }
  },
  "description": "Freeware Advanced Audio Decoder 2 (FAAD2)\u662f\u4e00\u6b3e\u6839\u636eGPLv2\u8bb8\u53ef\u8bc1\u6388\u6743\u7684\u5f00\u6e90MPEG-4\u548cMPEG-2 AAC\u89e3\u7801\u5668\u3002\n\nFAAD2 2.10.0\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684mp4read.c\u4e2d\u7684stszin\u51fd\u6570\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4ee3\u7801\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/knik0/faad2/commit/1b71a6ba963d131375f5e489b3b25e36f19f3f24",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-89951",
  "openTime": "2021-11-23",
  "patchDescription": "Freeware Advanced Audio Decoder 2 (FAAD2)\u662f\u4e00\u6b3e\u6839\u636eGPLv2\u8bb8\u53ef\u8bc1\u6388\u6743\u7684\u5f00\u6e90MPEG-4\u548cMPEG-2 AAC\u89e3\u7801\u5668\u3002\r\n\r\nFAAD2 2.10.0\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684mp4read.c\u4e2d\u7684stszin\u51fd\u6570\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4ee3\u7801\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": "FAAD2\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-89951\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "FAAD2 FAAD2 \u003c=2.10.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-32272",
  "serverity": "\u4e2d",
  "submitTime": "2021-09-23",
  "title": "FAAD2\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-89951\uff09"
}



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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

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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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.


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