osv-2020-1656
Vulnerability from osv_ossfuzz
Published
2020-08-24 00:01
Modified
2022-04-13 03:04
Summary
Heap-buffer-overflow in macho_is_32
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25134

Crash type: Heap-buffer-overflow READ 1
Crash state:
macho_is_32
macho_parse_file
macho_parse_fat_file
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fixed_range": "c6b3c4d1e0daa478e0592446cfd349a14acf9c81:94299eee3819d7cef18faaae52251596888e22cd",
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "yara"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "39076d2eb2d529dd4a47a61d79454554e22551b9"
            },
            {
              "fixed": "94299eee3819d7cef18faaae52251596888e22cd"
            }
          ],
          "repo": "https://github.com/VirusTotal/yara.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25134\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nmacho_is_32\nmacho_parse_file\nmacho_parse_fat_file\n```\n",
  "id": "OSV-2020-1656",
  "modified": "2022-04-13T03:04:42.172036Z",
  "published": "2020-08-24T00:01:51.084869Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25134"
    }
  ],
  "summary": "Heap-buffer-overflow in macho_is_32"
}


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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.