osv-2020-1022
Vulnerability from osv_ossfuzz
Published
2020-07-22 21:49
Modified
2022-04-13 03:04
Summary
Heap-buffer-overflow in ptls_set_negotiated_protocol
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13682

Crash type: Heap-buffer-overflow READ {*}
Crash state:
ptls_set_negotiated_protocol
client_handle_encrypted_extensions
handle_handshake_record
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "introduced_range": "unknown:4965a3820533a979fb01da26cd4d6e1fea89e5b7",
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "picotls"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4965a3820533a979fb01da26cd4d6e1fea89e5b7"
            },
            {
              "fixed": "96c5aa9dd25f1ee27548d8ad8b25a890af1504d8"
            }
          ],
          "repo": "https://github.com/h2o/picotls",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13682\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\nptls_set_negotiated_protocol\nclient_handle_encrypted_extensions\nhandle_handshake_record\n```\n",
  "id": "OSV-2020-1022",
  "modified": "2022-04-13T03:04:42.386990Z",
  "published": "2020-07-22T21:49:40.455457Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13682"
    }
  ],
  "summary": "Heap-buffer-overflow in ptls_set_negotiated_protocol"
}


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  • 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.
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  • 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.