CVE-2018-20431

NameCVE-2018-20431
DescriptionGNU Libextractor through 1.8 has a NULL Pointer Dereference vulnerability in the function process_metadata() in plugins/ole2_extractor.c.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1616-1, DSA-4361-1
NVD severitymedium (attack range: remote)
Debian Bugs917213

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libextractor (PTS)jessie1:1.3-2+deb8u1vulnerable
jessie (security)1:1.3-2+deb8u4fixed
stretch (security), stretch1:1.3-4+deb9u3fixed
buster, sid1:1.8-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libextractorsource(unstable)1:1.8-2medium917213
libextractorsourcejessie1:1.3-2+deb8u4mediumDLA-1616-1
libextractorsourcestretch1:1.3-4+deb9u3mediumDSA-4361-1

Notes

https://gnunet.org/bugs/view.php?id=5494
https://gnunet.org/git/libextractor.git/commit/?id=489c4a540bb2c4744471441425b8932b97a153e7

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