osv-2022-281
Vulnerability from osv_ossfuzz
Published
2022-03-26 00:01
Modified
2023-02-24 01:53
Summary
Heap-use-after-free in jsmn_parse
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=45984

Crash type: Heap-use-after-free WRITE 4 Crash state: jsmn_parse flb_json_tokenise flb_pack_json_state

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{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "fluent-bit",
        "purl": "pkg:generic/fluent-bit"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "af7ef37d6f0c61a79a8bd66f603273245198e069"
            },
            {
              "fixed": "7568fddddca799fc921e9db29c3f57d67d0fd85c"
            },
            {
              "fixed": "7e6e42d1c12644b6d5007b0415553e24761e7e59"
            }
          ],
          "repo": "https://github.com/fluent/fluent-bit/",
          "type": "GIT"
        }
      ],
      "versions": [
        "unstable-master",
        "v1.9.1",
        "v1.9.2",
        "v1.9.3",
        "v1.9.4",
        "v1.9.5",
        "v1.9.6",
        "v1.9.10",
        "v1.9.7",
        "v1.9.8",
        "v1.9.9"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=45984\n\nCrash type: Heap-use-after-free WRITE 4\nCrash state:\njsmn_parse\nflb_json_tokenise\nflb_pack_json_state\n",
  "id": "OSV-2022-281",
  "modified": "2023-02-24T01:53:28.171732Z",
  "published": "2022-03-26T00:01:08.816881Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=45984"
    }
  ],
  "schema_version": "1.2.0",
  "summary": "Heap-use-after-free in jsmn_parse"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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Detection rules are retrieved from Rulezet.