DescriptionAn issue was discovered in p11-kit 0.23.6 through 0.23.21. A heap-based buffer overflow has been discovered in the RPC protocol used by p11-kit server/remote commands and the client library. When the remote entity supplies a serialized byte array in a CK_ATTRIBUTE, the receiving entity may not allocate sufficient length for the buffer to store the deserialized value.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
p11-kit (PTS)stretch0.23.3-2fixed
stretch (security)0.23.3-2+deb9u1fixed
buster, buster (security)0.23.15-2+deb10u1fixed
bullseye, sid0.23.22-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
p11-kitsourcestretch(not affected)


[stretch] - p11-kit <not-affected> (Vulnerable code introduced later) (0.23.22)
Introduced in (0.23.6)

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