MPlayer GIF File libmpdemux/demux_gif.c demuxer integer overflow

Summaryinfo

A vulnerability identified as problematic has been detected in MPlayer. Affected by this vulnerability is the function demuxer of the file libmpdemux/demux_gif.c of the component GIF File Handler. Performing a manipulation results in integer overflow. This vulnerability is known as CVE-2016-4352. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in MPlayer (Multimedia Player Software) (affected version not known). This affects the function demuxer of the file libmpdemux/demux_gif.c of the component GIF File Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on availability. The summary by CVE is:

Integer overflow in the demuxer function in libmpdemux/demux_gif.c in Mplayer allows remote attackers to cause a denial of service (crash) via large dimensions in a gif file.

The bug was discovered 04/29/2016. The weakness was published 02/03/2017 (Website). The advisory is shared at openwall.com. This vulnerability is uniquely identified as CVE-2016-4352 since 04/29/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 90895 (Debian DLA-457-1 : mplayer security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (90895). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Multimedia Player Software

Name

• MPlayer

License

• open-source

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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