NULL Pointer Dereference Affecting libextractor package, versions <1:1.3-4+deb9u3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published24 Dec 2018
- disclosed24 Dec 2018
Introduced: 24 Dec 2018
CVE-2018-20431 (opens in a new tab)How to fix?
Upgrade Debian:9 libextractor to version 1:1.3-4+deb9u3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libextractor package and not the libextractor package as distributed by Debian.
See How to fix? for Debian:9 relevant fixed versions and status.
GNU Libextractor through 1.8 has a NULL Pointer Dereference vulnerability in the function process_metadata() in plugins/ole2_extractor.c.
References
- https://security-tracker.debian.org/tracker/CVE-2018-20431
- https://www.debian.org/security/2018/dsa-4361
- https://lists.debian.org/debian-lts-announce/2018/12/msg00015.html
- 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
- http://www.securityfocus.com/bid/106300
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-20431