osv-2021-929
Vulnerability from osv_ossfuzz
Published
2021-07-08 00:00
Modified
2022-04-13 03:04
Summary
Heap-buffer-overflow in extract_name
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35858

Crash type: Heap-buffer-overflow WRITE 1
Crash state:
extract_name
hash_questions
fuzz_util.c
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "dnsmasq"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "96f6444958c29a670f4254722d787f328153605c"
            },
            {
              "fixed": "d242cbffa4f20c9f7472f79b3a9e47008b6fe77c"
            }
          ],
          "repo": "git://thekelleys.org.uk/dnsmasq.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "v2.86",
        "v2.86rc1",
        "v2.86rc2",
        "v2.86rc3",
        "v2.86test5",
        "v2.86test6",
        "v2.86test7",
        "v2.87test1",
        "v2.87test2",
        "v2.87test3",
        "v2.87test4"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35858\n\n```\nCrash type: Heap-buffer-overflow WRITE 1\nCrash state:\nextract_name\nhash_questions\nfuzz_util.c\n```\n",
  "id": "OSV-2021-929",
  "modified": "2022-04-13T03:04:31.161444Z",
  "published": "2021-07-08T00:00:32.006993Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35858"
    }
  ],
  "summary": "Heap-buffer-overflow in extract_name"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.