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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://bugzilla.gnome.org/show_bug.cgi?id=774533 ↗
- 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://cgit.freedesktop.org/gstreamer/gst-plugins-bad/commit/gst/vmnc/vmncdec.c?id=4cb1bcf1422bbcd79c0f683edb7ee85e3f7a31fe ↗
- http://www.openwall.com/lists/oss-security/2016/11/18/12 ↗
- https://scarybeastsecurity.blogspot.de/2016/11/0day-poc-risky-design-decisions-in.html ↗
- https://security.gentoo.org/glsa/201705-10 ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UM7IXFGHV66KNWGWG6ZBDNKXD2UJL2VQ/ ↗