osv-2020-2066
Vulnerability from osv_ossfuzz
Published
2020-10-14 00:00
Modified
2022-04-13 03:34
Summary
Heap-buffer-overflow in encoded_to_buf
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26304

Crash type: Heap-buffer-overflow WRITE 1
Crash state:
encoded_to_buf
flb_utils_write_str
msgpack2json
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "370a68585b5eb7763183c2f1e6a6d937b5e1d077:72b62d2270edda9a0281ff8a6c3903d99e1892c9"
      },
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "fluent-bit"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "15254d5bb2101995b32c7e34e86d01a1a878590b"
            },
            {
              "fixed": "979a9bb728b490659e7e6076c17f3e4cb2c5bd59"
            },
            {
              "fixed": "73410b3cd81ac8972160902db7d6f666cad3a7fa"
            },
            {
              "introduced": "7f2b5f71377be5042de99b16caef0dc6fd021285"
            },
            {
              "fixed": "72b62d2270edda9a0281ff8a6c3903d99e1892c9"
            }
          ],
          "repo": "https://github.com/fluent/fluent-bit/",
          "type": "GIT"
        }
      ],
      "versions": [
        "v1.5.7",
        "v1.5.7-winfix",
        "v1.6.0",
        "v1.6.1",
        "v1.6.2",
        "v1.6.3"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26304\n\n```\nCrash type: Heap-buffer-overflow WRITE 1\nCrash state:\nencoded_to_buf\nflb_utils_write_str\nmsgpack2json\n```\n",
  "id": "OSV-2020-2066",
  "modified": "2022-04-13T03:34:33.873004Z",
  "published": "2020-10-14T00:00:30.510704Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26304"
    }
  ],
  "summary": "Heap-buffer-overflow in encoded_to_buf"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.