osv-2023-337
Vulnerability from osv_ossfuzz
Published
2023-04-22 14:02
Modified
2023-04-22 14:02
Summary
Heap-buffer-overflow in PyBytes_FromStringAndSize
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58225

Crash type: Heap-buffer-overflow READ {*}
Crash state:
PyBytes_FromStringAndSize
do_mkvalue
va_build_stack
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "python3-libraries",
        "purl": "pkg:generic/python3-libraries"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1ef61cf71a218c71860ff6aecf0fd51edb8b65dc"
            },
            {
              "fixed": "9169a56fad246364fd3224306e72e0d0725c35aa"
            }
          ],
          "repo": "https://github.com/python/cpython.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58225\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\nPyBytes_FromStringAndSize\ndo_mkvalue\nva_build_stack\n```\n",
  "id": "OSV-2023-337",
  "modified": "2023-04-22T14:02:16.430016Z",
  "published": "2023-04-22T14:02:16.429774Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58225"
    }
  ],
  "schema_version": "1.4.0",
  "summary": "Heap-buffer-overflow in PyBytes_FromStringAndSize"
}


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.