| Name | CVE-2017-6312 |
| Description | Integer overflow in io-ico.c in gdk-pixbuf allows context-dependent attackers to cause a denial of service (segmentation fault and application crash) via a crafted image entry offset in an ICO file, which triggers an out-of-bounds read, related to compiler optimizations. |
| Source | CVE (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 severity | medium (attack range: remote) |
| Debian Bugs | 856444 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| gdk-pixbuf (PTS) | jessie (security), jessie | 2.31.1-2+deb8u7 | vulnerable |
| stretch (security), stretch | 2.36.5-2+deb9u2 | fixed | |
| buster, sid | 2.38.1+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| gdk-pixbuf | source | (unstable) | 2.36.11-2 | low | 856444 | |
| gdk-pixbuf | source | stretch | 2.36.5-2+deb9u2 | medium |
[jessie] - gdk-pixbuf <ignored> (Minor issue)
[wheezy] - gdk-pixbuf <no-dsa> (Minor issue, can be fixed in next update)
https://bugzilla.gnome.org/show_bug.cgi?id=779012
http://mov.sx/2017/02/21/bug-hunting-gdk-pixbuf.html
Fixed by: https://git.gnome.org/browse/gdk-pixbuf/commit/?id=dec9ca22d70c0f0d4492333b4e8147afb038afd2
Tests: https://git.gnome.org/browse/gdk-pixbuf/commit/?id=a6303ad765882555cf1b278a09be5f9e4cf3a39d