Integer overflow in gstreamer - CVE-2016-9445

Vulnerability identifier: #VU39794

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2016-9445

CWE-ID: CWE-190

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

Integer overflow in the vmnc decoder in the gstreamer allows remote attackers to cause a denial of service (crash) via large width and height values, which triggers a buffer overflow.

gstreamer
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux Server for ARM
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, big endian - Extended Update Support
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - Extended Update Support
Fedora
gstreamer-plugins-bad-free (Red Hat package)
gstreamer1-plugins-bad-free (Red Hat package)
gstreamer1-plugins-bad-free

Install update from vendor's website.

gstreamer-plugins-bad-free (Red Hat package) - addressed in versions 0.10.19-5.el6_8, 0.10.23-22.el7_3
gstreamer1-plugins-bad-free (Red Hat package) - update to 1.4.5-6.el7_3
gstreamer1-plugins-bad-free - addressed in versions 1.8.3-2.fc24, 1.10.1-1.fc25

• http://rhn.redhat.com/errata/RHSA-2016-2974.html
• http://rhn.redhat.com/errata/RHSA-2017-0018.html
• http://rhn.redhat.com/errata/RHSA-2017-0021.html
• 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/94421
• 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

• Integer overflow in gstreamer
• Fedora 24 update for gstreamer1-plugins-bad-free
• Fedora 25 update for gstreamer1-plugins-bad-free
• Red Hat Enterprise Linux 6 update for gstreamer-plugins-bad-free
• Red Hat Enterprise Linux 7 update for gstreamer1-plugins-bad-free
• Red Hat Enterprise Linux 7 update for gstreamer-plugins-bad-free