PublicDateAtUSN: 2018-12-24 05:29:00 UTC
Candidate: CVE-2018-20431
PublicDate: 2018-12-24 05:29:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20431
 https://gnunet.org/bugs/view.php?id=5494
 https://gnunet.org/git/libextractor.git/commit/?id=489c4a540bb2c4744471441425b8932b97a153e7
 https://gnunet.org/git/libextractor.git/tree/ChangeLog
 https://lists.debian.org/debian-lts-announce/2018/12/msg00015.html
 https://ubuntu.com/security/notices/USN-4641-1
Description:
 GNU Libextractor through 1.8 has a NULL Pointer Dereference vulnerability
 in the function process_metadata() in plugins/ole2_extractor.c.
Ubuntu-Description:
 It was discovered that Libextractor incorrectly handled metadata. An
 attacker could possibly use this issue to cause a denial of service.
Notes:
Bugs:
 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=917213
Priority: medium
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H [6.5 MEDIUM]


Patches_libextractor:
upstream_libextractor: released (1:1.3-2+deb8u4, 1:1.8-2)
precise/esm_libextractor: DNE
trusty_libextractor: ignored (reached end-of-life)
trusty/esm_libextractor: DNE (trusty was needed)
xenial_libextractor: released (1:1.3-4+deb9u3build0.16.04.1)
bionic_libextractor: needed
cosmic_libextractor: ignored (reached end-of-life)
disco_libextractor: not-affected (1:1.8-2)
eoan_libextractor: not-affected (1:1.9-2)
focal_libextractor: not-affected (1:1.9-2)
groovy_libextractor: not-affected (1:1.9-2)
hirsute_libextractor: not-affected (1:1.9-2)
impish_libextractor: not-affected (1:1.9-2)
jammy_libextractor: not-affected (1:1.9-2)
devel_libextractor: not-affected (1:1.9-2)