CVE-2017-14169

NameCVE-2017-14169
DescriptionIn the mxf_read_primer_pack function in libavformat/mxfdec.c in FFmpeg 3.3.3, an integer signedness error might occur when a crafted file, which claims a large "item_num" field such as 0xffffffff, is provided. As a result, the variable "item_num" turns negative, bypassing the check for a large value.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ffmpeg (PTS)stretch7:3.2.5-1vulnerable
stretch (security)7:3.2.7-1~deb9u1vulnerable
buster, sid7:3.3.4-1fixed
libav (PTS)wheezy6:0.8.17-2undetermined
wheezy (security)6:0.8.20-0+deb7u1undetermined
jessie (security), jessie6:11.9-1~deb8u1undetermined

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsource(unstable)7:3.3.4-1low
libavsource(unstable)undeterminedmedium

Notes

[stretch] - ffmpeg <postponed> (Can be fixed along when more severe issues are being fixed)
https://github.com/FFmpeg/FFmpeg/commit/9d00fb9d70ee8c0cc7002b89318c5be00f1bbdad

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