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
CVSS 3 base score: 5.9
Status
Package | Release | Status |
---|---|---|
mercurial Launchpad, Ubuntu, Debian |
Upstream |
Released
(4.9-1)
|
Ubuntu 20.10 (Groovy Gorilla) |
Not vulnerable
(4.8.2-1ubuntu4)
|
|
Ubuntu 20.04 LTS (Focal Fossa) |
Not vulnerable
(4.8.2-1ubuntu4)
|
|
Ubuntu 18.04 LTS (Bionic Beaver) |
Needed
|
|
Ubuntu 16.04 LTS (Xenial Xerus) |
Needed
|
|
Ubuntu 14.04 ESM (Trusty Tahr) |
Needed
|