Vulnerability Monitor

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CVE-2019-3902

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.

Published

2019-04-22T16:29:01.913

Last Modified

2024-11-21T04:42:49.947

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 5.1 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

4.9

Weaknesses

Type: Secondary
CWE-22
Type: Primary
CWE-59

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mercurial	mercurial	< 4.9	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	redhat	enterprise_linux	7.0	Yes

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3902 Issue Tracking, Vendor Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2019/04/msg00024.html Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html ([email protected])
https://usn.ubuntu.com/4086-1/ ([email protected])
https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.9_.282019-02-01.29 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3902 Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2019/04/msg00024.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4086-1/ (af854a3a-2127-422b-91ae-364da2661108)
https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.9_.282019-02-01.29 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)