ubuntu-cve-2021-34193
Vulnerability from osv_ubuntu
Published
2023-08-22 19:16
Modified
2025-02-26 04:38
Summary
Details

Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "ubuntu_priority": "medium"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "opensc",
        "purl": "pkg:deb/ubuntu/opensc@0.15.0-1ubuntu1+esm1?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.15.0-1ubuntu1",
        "0.15.0-1ubuntu1+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "ubuntu_priority": "medium"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "opensc",
        "purl": "pkg:deb/ubuntu/opensc@0.17.0-3ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.17.0-1",
        "0.17.0-2",
        "0.17.0-2build1",
        "0.17.0-3",
        "0.17.0-3ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "ubuntu_priority": "medium"
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "opensc",
        "purl": "pkg:deb/ubuntu/opensc@0.20.0-3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.19.0-2",
        "0.20.0-1",
        "0.20.0-2",
        "0.20.0-3"
      ]
    }
  ],
  "aliases": [],
  "details": "Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs.",
  "id": "UBUNTU-CVE-2021-34193",
  "modified": "2025-02-26T04:38:40Z",
  "published": "2023-08-22T19:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-34193"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-34193"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/OpenSC/OpenSC/issues/2841"
    }
  ],
  "related": [
    "CVE-2021-34193"
  ],
  "schema_version": "1.6.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "withdrawn": "2025-06-23T15:54:03Z"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.


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