osv-2023-343
Vulnerability from osv_ossfuzz
Published
2023-04-25 14:01
Modified
2023-08-30 14:13
Summary
Heap-buffer-overflow in _libssh2_ntohu32
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58291

Crash type: Heap-buffer-overflow READ 1
Crash state:
_libssh2_ntohu32
packet_authagent_open
_libssh2_packet_add
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "libssh2",
        "purl": "pkg:generic/libssh2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "bc4e619e76071393e466c29220fc4ef5764c2820"
            },
            {
              "fixed": "88a960a86b9ffbabd17a4bbcf767e26514c4678e"
            }
          ],
          "repo": "https://github.com/libssh2/libssh2.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "libssh2-1.11.0"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58291\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\n_libssh2_ntohu32\npacket_authagent_open\n_libssh2_packet_add\n```\n",
  "id": "OSV-2023-343",
  "modified": "2023-08-30T14:13:26.448798Z",
  "published": "2023-04-25T14:01:02.980876Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58291"
    }
  ],
  "schema_version": "1.4.0",
  "summary": "Heap-buffer-overflow in _libssh2_ntohu32"
}


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