CNVD-2021-55163

Vulnerability from cnvd - Published: 2021-07-27
VLAI Severity ?
Title
libavif缓冲区溢出漏洞
Description
libavif是用于编码和解码 .avif 文件的库。 libavif 存在安全漏洞,该漏洞源于libavif 0.8.0和0.8.1有一个越界写入在avifDecoderDataFillImageGrid。目前没有详细的漏洞细节提供。
Severity
Patch Name
libavif缓冲区溢出漏洞的补丁
Patch Description
libavif是用于编码和解码 .avif 文件的库。 libavif 存在安全漏洞,该漏洞源于libavif 0.8.0和0.8.1有一个越界写入在avifDecoderDataFillImageGrid。目前没有详细的漏洞细节提供。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,详情请关注厂商主页: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24811

Reference
https://nvd.nist.gov/vuln/detail/CVE-2020-36407
Impacted products
Name
['libavif libavif 0.8.0', 'libavif libavif 0.8.1']
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-36407"
    }
  },
  "description": "libavif\u662f\u7528\u4e8e\u7f16\u7801\u548c\u89e3\u7801 .avif \u6587\u4ef6\u7684\u5e93\u3002\n\nlibavif \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8elibavif 0.8.0\u548c0.8.1\u6709\u4e00\u4e2a\u8d8a\u754c\u5199\u5165\u5728avifDecoderDataFillImageGrid\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24811",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-55163",
  "openTime": "2021-07-27",
  "patchDescription": "libavif\u662f\u7528\u4e8e\u7f16\u7801\u548c\u89e3\u7801 .avif \u6587\u4ef6\u7684\u5e93\u3002\r\n\r\nlibavif \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8elibavif 0.8.0\u548c0.8.1\u6709\u4e00\u4e2a\u8d8a\u754c\u5199\u5165\u5728avifDecoderDataFillImageGrid\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "libavif\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "libavif libavif 0.8.0",
      "libavif libavif 0.8.1"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-36407",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-02",
  "title": "libavif\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}


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Sightings

Author Source Type Date

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.


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