osv-2022-24
Vulnerability from osv_ossfuzz
Published
2022-01-09 00:01
Modified
2025-02-01 14:16
Summary
Null-dereference READ in session_startup
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=43419

Crash type: Null-dereference READ
Crash state:
session_startup
libssh2_session_handshake
ssh2_client_fuzzer.cc
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "784446b6c544575efa267f976c91fffdbe5199d6:b89858b83d68d7e29e0c5b0bb803f8a68271710c"
      },
      "ecosystem_specific": {
        "severity": null
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "libssh2",
        "purl": "pkg:generic/libssh2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "64a555d6f5aafed504a10e5b756e85c91b1d56ce"
            },
            {
              "fixed": "b89858b83d68d7e29e0c5b0bb803f8a68271710c"
            }
          ],
          "repo": "https://github.com/libssh2/libssh2.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "libssh2-1.11.0",
        "libssh2-1.11.1"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=43419\n\n```\nCrash type: Null-dereference READ\nCrash state:\nsession_startup\nlibssh2_session_handshake\nssh2_client_fuzzer.cc\n```\n",
  "id": "OSV-2022-24",
  "modified": "2025-02-01T14:16:58.476563Z",
  "published": "2022-01-09T00:01:35.903934Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=43419"
    }
  ],
  "schema_version": "1.2.0",
  "summary": "Null-dereference READ in session_startup"
}


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Detection rules are retrieved from Rulezet.