Improper Input Validation Affecting mercurial package, versions <0:2.6.2-10.el7
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-RHEL7-MERCURIAL-4926944
- published26 Jul 2021
- disclosed6 Jun 2018
Introduced: 6 Jun 2018
CVE-2018-13346 (opens in a new tab)How to fix?
Upgrade RHEL:7 mercurial to version 0:2.6.2-10.el7 or higher.
This issue was patched in RHSA-2019:2276.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mercurial package and not the mercurial package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
The mpatch_apply function in mpatch.c in Mercurial before 4.6.1 incorrectly proceeds in cases where the fragment start is past the end of the original data, aka OVE-20180430-0004.
References
- https://access.redhat.com/security/cve/CVE-2018-13346
- https://www.mercurial-scm.org/repo/hg/rev/faa924469635
- 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
- https://access.redhat.com/errata/RHSA-2019:2276