Published: 22/04/2019 Updated: 31/07/2020

CVSS v2 Base Score: 5.8 | Impact Score: 4.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 5.9 | Impact Score: 3.6 | Exploitability Score: 2.2

VMScore: 516

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:P

A flaw was found in Mercurial prior to 4.9. It was possible to use symlinks and subrepositories to defeat Mercurial's path-checking logic and write files outside a repository.

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mercurial mercurial
redhat enterprise linux 7.0
debian debian linux 8.0

Debian Bug report logs - #927674 CVE-2019-3902 Package: src:mercurial; Maintainer for src:mercurial is Python Applications Packaging Team <python-apps-team@listsaliothdebianorg>; Reported by: Moritz Muehlenhoff <jmm@debianorg> Date: Sat, 20 Apr 2019 22:36:02 UTC Severity: grave Tags: fixed-upstream, security, ups ...

Mercurial could be made to overwrite files ...

CWE-59 https://bugzilla.redhat.com/show_bug.cgi?id=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://usn.ubuntu.com/4086-1/https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=927674 https://usn.ubuntu.com/4086-1/https://nvd.nist.gov

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CVE-2019-3902

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