Loop with Unreachable Exit Condition ('Infinite Loop') Affecting libextractor package, versions <1:1.3-4+deb9u1
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-DEBIAN9-LIBEXTRACTOR-313456
- published18 Oct 2017
- disclosed18 Oct 2017
Introduced: 18 Oct 2017
CVE-2017-15602 (opens in a new tab)How to fix?
Upgrade Debian:9 libextractor to version 1:1.3-4+deb9u1 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.
In GNU Libextractor 1.4, there is an integer signedness error for the chunk size in the EXTRACTOR_nsfe_extract_method function in plugins/nsfe_extractor.c, leading to an infinite loop for a crafted size.
References
- https://security-tracker.debian.org/tracker/CVE-2017-15602
- https://lists.debian.org/debian-lts-announce/2017/12/msg00000.html
- http://lists.gnu.org/archive/html/bug-libextractor/2017-10/msg00005.html
- https://ftp.gnu.org/gnu/libextractor/libextractor-1.6.tar.gz
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-15602