Improper Input Validation Affecting mercurial package, versions <4.0-1+deb9u2
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Improper Input Validation vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-DEBIAN9-MERCURIAL-311101
- published11 Jul 2018
- disclosed6 Jul 2018
Introduced: 6 Jul 2018
CVE-2018-13348 (opens in a new tab)How to fix?
Upgrade Debian:9 mercurial to version 4.0-1+deb9u2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mercurial package and not the mercurial package as distributed by Debian.
See How to fix? for Debian:9 relevant fixed versions and status.
The mpatch_decode function in mpatch.c in Mercurial before 4.6.1 mishandles certain situations where there should be at least 12 bytes remaining after the current position in the patch data, but actually are not, aka OVE-20180430-0001.
References
- https://security-tracker.debian.org/tracker/CVE-2018-13348
- https://www.mercurial-scm.org/repo/hg/rev/90a274965de7
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.6.1_.282018-06-06.29
- https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-13348