CVE-2020-26572

NameCVE-2020-26572
DescriptionThe TCOS smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in tcos_decipher.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2832-1, ELA-526-1
Debian Bugs972035

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
opensc (PTS)jessie, jessie (lts)0.16.0-3+deb8u3fixed
stretch (security), stretch (lts), stretch0.16.0-3+deb9u2fixed
buster0.19.0-1+deb10u1fixed
buster (security)0.19.0-1+deb10u3fixed
bullseye0.21.0-1fixed
bookworm0.23.0-0.3+deb12u1fixed
sid, trixie0.25.0~rc1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
openscsourcejessie0.16.0-3+deb8u3ELA-526-1
openscsourcestretch0.16.0-3+deb9u2DLA-2832-1
openscsourcebuster0.19.0-1+deb10u1
openscsource(unstable)0.21.0-1972035

Notes

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22967
https://github.com/OpenSC/OpenSC/commit/9d294de90d1cc66956389856e60b6944b27b4817 (0.21.0-rc1)

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