An improper integer type in the mpeg4_encode_gop_header function in libavcodec/mpeg4videoenc.c in FFmpeg 2.8 and 4.0 may trigger an assertion violation while converting a crafted AVI file to MPEG4, leading to a denial of service.

This update for ffmpeg fixes the following issues :

CVE-2018-13300: An improper argument passed to the avpriv_request_sample function may have triggered an out-of-array read while converting a crafted AVI file to MPEG4, leading to a denial of service and possibly an information disclosure (bsc#1100348)

CVE-2018-15822: The flv_write_packet function did not check for an empty audio packet, leading to an assertion failure and DoS (bsc#1105869)

CVE-2018-13305: Due to a missing check for negative values of the mquant variable, the vc1_put_blocks_clamped function in libavcodec/vc1_block.c may trigger an out-of-array access while converting a crafted AVI file to MPEG4, leading to an information disclosure or a denial of service. (bsc#1100345).

CVE-2018-12458: An improper integer type in the mpeg4_encode_gop_header function in libavcodec/mpeg4videoenc.c might have triggered an assertion violation while converting a crafted AVI file to MPEG4, leading to a denial of service. (bsc#1097983).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Several vulnerabilities have been discovered in the FFmpeg multimedia framework, which could result in denial of service or potentially the execution of arbitrary code if malformed files/streams are processed.

ID	Name	Product	Family	Severity
120152	SUSE SLED15 / SLES15 Security Update : ffmpeg (SUSE-SU-2018:3609-1)	Nessus	SuSE Local Security Checks	high
111141	Debian DSA-4249-1 : ffmpeg - security update	Nessus	Debian Local Security Checks	high

Detections

Analytics

CVE-2018-12458

medium

Tenable Plugins

high

high