osv-2021-12
Vulnerability from osv_ossfuzz
Published
2021-01-05 00:01
Modified
2022-04-13 03:29
Summary
Heap-buffer-overflow in read_bits_16
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29221

Crash type: Heap-buffer-overflow READ 1
Crash state:
read_bits_16
decode_number
do_uncompress_block
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "858fa8eaa9435340d2bda988715e0d9023089bec:56c920eab3352f7877ee0cf9e472c1ab376c7e3e"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "libarchive"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "840266712006de5e737f8052db920dfea2be4260"
            },
            {
              "fixed": "858fa8eaa9435340d2bda988715e0d9023089bec"
            },
            {
              "fixed": "56c920eab3352f7877ee0cf9e472c1ab376c7e3e"
            }
          ],
          "repo": "https://github.com/libarchive/libarchive.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "v3.4.0",
        "v3.4.1",
        "v3.4.2",
        "v3.4.3",
        "v3.5.0",
        "v3.5.1"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29221\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nread_bits_16\ndecode_number\ndo_uncompress_block\n```\n",
  "id": "OSV-2021-12",
  "modified": "2022-04-13T03:29:39.057427Z",
  "published": "2021-01-05T00:01:28.725353Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29221"
    }
  ],
  "summary": "Heap-buffer-overflow in read_bits_16"
}


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.