CVE-2019-3902
Published: 22 April 2019
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.
From the Ubuntu security team
It was discovered that Mercurial mishandled symlinks in subrepositories. An attacker could use this vulnerability to write arbitrary files to the target's filesystem.
Priority
Medium
CVSS 3 base score: 5.9
Status
| Package | Release | Status |
|---|---|---|
|
mercurial Launchpad, Ubuntu, Debian |
bionic |
Released
(4.5.3-1ubuntu2.2)
|
| cosmic |
Ignored
(reached end-of-life)
|
|
| disco |
Released
(4.8.2-1ubuntu3.19.04.1)
|
|
| eoan |
Not vulnerable
(4.8.2-1ubuntu4)
|
|
| focal |
Not vulnerable
(4.8.2-1ubuntu4)
|
|
| groovy |
Not vulnerable
(4.8.2-1ubuntu4)
|
|
| hirsute |
Not vulnerable
(4.8.2-1ubuntu4)
|
|
| impish |
Not vulnerable
(4.8.2-1ubuntu4)
|
|
| jammy |
Not vulnerable
(4.8.2-1ubuntu4)
|
|
| precise |
Does not exist
|
|
| trusty |
Released
(2.8.2-1ubuntu1.4+esm1)
|
|
| upstream |
Released
(4.9-1)
|
|
| xenial |
Ignored
(end of standard support, was needed)
|