Link Following Affecting mercurial package, versions <4.0-1+deb9u2
Threat Intelligence
EPSS
0.23% (62nd
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN9-MERCURIAL-344216
- published 20 Apr 2019
- disclosed 22 Apr 2019
Introduced: 20 Apr 2019
CVE-2019-3902 Open this link in a new tabHow 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.
A flaw was found in Mercurial before 4.9. It was possible to use symlinks and subrepositories to defeat Mercurial's path-checking logic and write files outside a repository.
References
- https://security-tracker.debian.org/tracker/CVE-2019-3902
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3902
- https://lists.debian.org/debian-lts-announce/2019/04/msg00024.html
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.9_.282019-02-01.29
- https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3902
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-3902
- https://usn.ubuntu.com/4086-1/
CVSS Scores
version 3.1