cve/2016/CVE-2016-9446.md

CVE-2016-9446

Description

The vmnc decoder in the gstreamer does not initialize the render canvas, which allows remote attackers to obtain sensitive information as demonstrated by thumbnailing a simple 1 frame vmnc movie that does not draw to the allocated render canvas.

POC

Reference

• http://www.openwall.com/lists/oss-security/2016/11/18/12
• http://www.openwall.com/lists/oss-security/2016/11/18/13
• https://bugzilla.gnome.org/show_bug.cgi?id=774533
• https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/commit/gst/vmnc/vmncdec.c?id=4cb1bcf1422bbcd79c0f683edb7ee85e3f7a31fe
• https://scarybeastsecurity.blogspot.de/2016/11/0day-poc-risky-design-decisions-in.html

Github

• https://github.com/ARPSyndicate/cvemon