| Name | CVE-2016-4456 |
| Description | The "GNUTLS_KEYLOGFILE" environment variable in gnutls 3.4.12 allows remote attackers to overwrite and corrupt arbitrary files in the filesystem. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| gnutls28 (PTS) | jessie, jessie (lts) | 3.3.30-0+deb8u2 | fixed |
| stretch (security) | 3.5.8-5+deb9u6 | fixed |
| stretch (lts), stretch | 3.5.8-5+deb9u7 | fixed |
| buster (security), buster, buster (lts) | 3.6.7-4+deb10u12 | fixed |
| bullseye | 3.7.1-5+deb11u5 | fixed |
| bullseye (security) | 3.7.1-5+deb11u6 | fixed |
| bookworm | 3.7.9-2+deb12u3 | fixed |
| sid, trixie | 3.8.8-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| gnutls28 | source | jessie | (not affected) | | | |
| gnutls28 | source | (unstable) | 3.4.13-1 | | | |
Notes
[jessie] - gnutls28 <not-affected> (Introduced in 3.4.12)
http://gnutls.org/security.html#GNUTLS-SA-2016-1
https://www.openwall.com/lists/oss-security/2016/06/07/2