osv-2020-1040
Vulnerability from osv_ossfuzz
Published
2020-07-22 21:49
Modified
2022-04-13 03:04
Summary
Heap-buffer-overflow in decode_bit_string
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16615

Crash type: Heap-buffer-overflow READ 1
Crash state:
decode_bit_string
decode_bit_field
asn1_decode_entry
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "introduced_range": "unknown:b0241eefa1b47f1420456f5dbc43564d59961a54",
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "opensc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "b0241eefa1b47f1420456f5dbc43564d59961a54"
            },
            {
              "fixed": "9b4b080be788a602fa8f01ac8d7e29cdaad07902"
            }
          ],
          "repo": "https://github.com/OpenSC/OpenSC",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16615\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\ndecode_bit_string\ndecode_bit_field\nasn1_decode_entry\n```\n",
  "id": "OSV-2020-1040",
  "modified": "2022-04-13T03:04:41.691566Z",
  "published": "2020-07-22T21:49:41.688762Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16615"
    }
  ],
  "summary": "Heap-buffer-overflow in decode_bit_string"
}


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.