CVE-2017-7869

NameCVE-2017-7869
DescriptionGnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based buffer overflow related to the cdk_pkt_read function in opencdk/read-packet.c. This issue (which is a subset of the vendor's GNUTLS-SA-2017-3 report) is fixed in 3.5.10.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gnutls26 (PTS)wheezy (security), wheezy2.12.20-8+deb7u5vulnerable
gnutls28 (PTS)jessie3.3.8-6+deb8u4vulnerable
jessie (security)3.3.8-6+deb8u2vulnerable
stretch, sid3.5.8-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gnutls26source(unstable)(unfixed)medium
gnutls28source(unstable)3.5.8-4medium

Notes

[jessie] - gnutls28 <no-dsa> (Minor issue)
[wheezy] - gnutls26 <no-dsa> (Minor issue)
OpenPGP-related
https://gitlab.com/gnutls/gnutls/commit/51464af713d71802e3c6d5ac15f1a95132a354fe
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=420
https://gnutls.org/security.html#GNUTLS-SA-2017-3

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