Vulnerability identifier: #VU32118

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-9635

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
gst-plugins-bad1
Other software / Other software solutions

Vendor: GStreamer

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Heap-based buffer overflow in the flx_decode_delta_fli function in gst/flx/gstflxdec.c in the FLIC decoder in GStreamer before 1.10.2 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) by providing a 'skip count' that goes beyond initialized buffer.

Mitigation
Install update from vendor's website.

Vulnerable software versions

gst-plugins-bad1: 1.0.2 - 1.10.4

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External links
http://rhn.redhat.com/errata/RHSA-2016-2975.html
http://rhn.redhat.com/errata/RHSA-2017-0019.html
http://rhn.redhat.com/errata/RHSA-2017-0020.html
http://www.debian.org/security/2016/dsa-3723
http://www.debian.org/security/2016/dsa-3724
http://www.openwall.com/lists/oss-security/2016/11/24/2
http://www.securityfocus.com/bid/94499
http://bugzilla.gnome.org/show_bug.cgi?id=774834
http://gstreamer.freedesktop.org/releases/1.10/#1.10.2
http://scarybeastsecurity.blogspot.com/2016/11/0day-exploit-advancing-exploitation.html
http://security.gentoo.org/glsa/201705-10

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.