osv-2017-83
Vulnerability from osv_ossfuzz
Published
2021-01-13 21:57
Modified
2022-04-13 03:04
Summary
Heap-buffer-overflow in idn2_lookup_u8
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2262

Crash type: Heap-buffer-overflow READ 4
Crash state:
idn2_lookup_u8
_psl_idna_toASCII
_add_punycode_if_needed
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fixed_range": "fa69455d0748ae3c3318a5e2b9860ac9bb80485d:0cbb7089f60931870d19c9fc323fa0cccafd8907",
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "libpsl"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "666c07b36418334435077f04583c37a45a8f6722"
            },
            {
              "fixed": "0cbb7089f60931870d19c9fc323fa0cccafd8907"
            }
          ],
          "repo": "https://github.com/rockdaboot/libpsl.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2262\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nidn2_lookup_u8\n_psl_idna_toASCII\n_add_punycode_if_needed\n```\n",
  "id": "OSV-2017-83",
  "modified": "2022-04-13T03:04:39.974250Z",
  "published": "2021-01-13T21:57:36.312189Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2262"
    }
  ],
  "summary": "Heap-buffer-overflow in idn2_lookup_u8"
}


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.