#VU39794 Integer overflow in gstreamer - CVE-2016-9445

Vulnerability identifier: #VU39794

Vulnerability risk: Medium

CVSSv4.0: 6.6 [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/E:U/U:Green]

CVE-ID: CVE-2016-9445

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
gstreamer
Client/Desktop applications / Multimedia software

Vendor: GStreamer

Description

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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

gstreamer: 1.10.0

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External links
https://rhn.redhat.com/errata/RHSA-2016-2974.html
https://rhn.redhat.com/errata/RHSA-2017-0018.html
https://rhn.redhat.com/errata/RHSA-2017-0021.html
https://www.openwall.com/lists/oss-security/2016/11/18/12
https://www.openwall.com/lists/oss-security/2016/11/18/13
https://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

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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.