#VU32112 Heap-based buffer overflow in gst-plugins-bad1 - CVE-2016-9634

Vulnerability identifier: #VU32112

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-9634

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

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

Vendor: GStreamer

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in 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. A remote attacker can use the start_line parameter. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

gst-plugins-bad1: 1.0.2 - 1.10.4

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