osv-2021-245
Vulnerability from osv_ossfuzz
Published
2021-01-28 00:02
Modified
2022-04-13 03:04
Summary
UNKNOWN WRITE in WelsDecodeBs
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29969

Crash type: UNKNOWN WRITE
Crash state:
WelsDecodeBs
WelsDec::CWelsDecoder::DecodeFrame2WithCtx
WelsDec::CWelsDecoder::DecodeFrame2
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "992c1c147175126c3fe7ab78216aa0395f9e6c71:f15f940425eebf24ce66984db2445733cf500b7b"
      },
      "ecosystem_specific": {
        "introduced_range": "83a0eae9bbbda5bfe802438109a025a3d7caee10:992c1c147175126c3fe7ab78216aa0395f9e6c71",
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "openh264"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4c76c67e9b790fd40650c4e8a2a059603e8ce195"
            },
            {
              "fixed": "b52786888ddce9d6bc06b7825ba9bffc65924e0c"
            },
            {
              "fixed": "f15f940425eebf24ce66984db2445733cf500b7b"
            }
          ],
          "repo": "https://github.com/cisco/openh264.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29969\n\n```\nCrash type: UNKNOWN WRITE\nCrash state:\nWelsDecodeBs\nWelsDec::CWelsDecoder::DecodeFrame2WithCtx\nWelsDec::CWelsDecoder::DecodeFrame2\n```\n",
  "id": "OSV-2021-245",
  "modified": "2022-04-13T03:04:37.403912Z",
  "published": "2021-01-28T00:02:30.610788Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29969"
    }
  ],
  "summary": "UNKNOWN WRITE in WelsDecodeBs"
}


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  • 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.
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  • 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.