NULL Pointer Dereference Affecting libextractor package, versions <1:1.3-4+deb9u3build0.16.04.1
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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Test your applications- Snyk IDSNYK-UBUNTU1604-LIBEXTRACTOR-313483
- published24 Dec 2018
- disclosed24 Dec 2018
Introduced: 24 Dec 2018
CVE-2018-20431 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 libextractor to version 1:1.3-4+deb9u3build0.16.04.1 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 Ubuntu.
See How to fix? for Ubuntu:16.04 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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-20431
- https://www.debian.org/security/2018/dsa-4361
- https://lists.debian.org/debian-lts-announce/2018/12/msg00015.html
- https://security-tracker.debian.org/tracker/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
- http://www.securityfocus.com/bid/106300