CVE-2016-9446 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

http://www.openwall.com/lists/oss-security/2016/11/18/12 http://www.openwall.com/lists/oss-security/2016/11/18/13 http://www.securityfocus.com/bid/94423 https://access.redhat.com/errata/RHSA-2017:2060 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 https://security.gentoo.org/glsa/201705-10

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5