Out-of-bounds Write The advisory has been revoked - it doesn't affect any version of package opensc (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU2110-OPENSC-1741381
- published7 Oct 2020
- disclosed6 Oct 2020
Introduced: 6 Oct 2020
CVE-2020-26572 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:21.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream opensc package and not the opensc package as distributed by Ubuntu.
The TCOS smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in tcos_decipher.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-26572
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EXOHFDMNMO6IDECAGUTB3SJGAGXVRT6S/
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22967
- https://github.com/OpenSC/OpenSC/commit/9d294de90d1cc66956389856e60b6944b27b4817
- http://www.openwall.com/lists/oss-security/2020/11/24/4
- https://lists.debian.org/debian-lts-announce/2021/11/msg00027.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXOHFDMNMO6IDECAGUTB3SJGAGXVRT6S/