osv-2020-1046
Vulnerability from osv_ossfuzz
Published
2020-07-22 21:49
Modified
2022-04-13 03:04
Summary
Stack-buffer-overflow in sc_pkcs15emu_object_add
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19251

Crash type: Stack-buffer-overflow READ {*}
Crash state:
sc_pkcs15emu_object_add
sc_pkcs15emu_coolkey_init
sc_pkcs15emu_coolkey_init_ex
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "introduced_range": "unknown:c4dcac5de77825e79763c9cd5f58aa8bde22f0b2",
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "opensc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "c4dcac5de77825e79763c9cd5f58aa8bde22f0b2"
            },
            {
              "fixed": "ee78b0b80514460936c585c3ff5fc477338ae371"
            }
          ],
          "repo": "https://github.com/OpenSC/OpenSC",
          "type": "GIT"
        }
      ],
      "versions": [
        "0.20.0-rc4"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19251\n\n```\nCrash type: Stack-buffer-overflow READ {*}\nCrash state:\nsc_pkcs15emu_object_add\nsc_pkcs15emu_coolkey_init\nsc_pkcs15emu_coolkey_init_ex\n```\n",
  "id": "OSV-2020-1046",
  "modified": "2022-04-13T03:04:41.613341Z",
  "published": "2020-07-22T21:49:42.803976Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19251"
    }
  ],
  "summary": "Stack-buffer-overflow in sc_pkcs15emu_object_add"
}


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  • 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 patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.