osv-2020-2071
Vulnerability from osv_ossfuzz
Published
2020-10-15 00:00
Modified
2022-04-13 03:04
Summary
Heap-buffer-overflow in flb_log_print
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26325

Crash type: Heap-buffer-overflow READ {*}
Crash state:
flb_log_print
flb_parser_typecast
logfmt_parser
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "370a68585b5eb7763183c2f1e6a6d937b5e1d077:72b62d2270edda9a0281ff8a6c3903d99e1892c9"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "fluent-bit"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "dc234b10f5e7a0a6f7fcc35609f12e9f48420bd4"
            },
            {
              "fixed": "7f0c3bb1bd8645ca556125b5afae8db77f973085"
            },
            {
              "fixed": "72b62d2270edda9a0281ff8a6c3903d99e1892c9"
            }
          ],
          "repo": "https://github.com/fluent/fluent-bit/",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26325\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\nflb_log_print\nflb_parser_typecast\nlogfmt_parser\n```\n",
  "id": "OSV-2020-2071",
  "modified": "2022-04-13T03:04:38.379480Z",
  "published": "2020-10-15T00:00:37.893897Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26325"
    }
  ],
  "summary": "Heap-buffer-overflow in flb_log_print"
}


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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.