Vulnerabilities > CVE-2020-26572 - Out-of-bounds Write vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
The TCOS smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in tcos_decipher.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- http://www.openwall.com/lists/oss-security/2020/11/24/4
- http://www.openwall.com/lists/oss-security/2020/11/24/4
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22967
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22967
- https://github.com/OpenSC/OpenSC/commit/9d294de90d1cc66956389856e60b6944b27b4817
- https://github.com/OpenSC/OpenSC/commit/9d294de90d1cc66956389856e60b6944b27b4817
- https://lists.debian.org/debian-lts-announce/2021/11/msg00027.html
- https://lists.debian.org/debian-lts-announce/2021/11/msg00027.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXOHFDMNMO6IDECAGUTB3SJGAGXVRT6S/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXOHFDMNMO6IDECAGUTB3SJGAGXVRT6S/