CVE-2018-1000112 Incorrect Authorization in Jenkins Mercurial Plugin

Medium 5.3 Published 13 Mar 2018 Updated 17 Sep 2024

An attacker with network access can obtain a list of nodes and users due to improper authorization in the Jenkins Mercurial Plugin.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2018-1000112?

CVE-2018-1000112 is a medium-severity missing authorization vulnerability in n/a, published on 13 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An improper authorization vulnerability exists in Jenkins Mercurial Plugin version 2.2 and earlier in MercurialStatus.java that allows an attacker with network access to obtain a list of nodes and users.

Weakness: CWE-863

Which versions are affected by CVE-2018-1000112?

2 open source packages ship an affected version, including org.jenkins-ci.plugins:mercurial. It affects 1 product.

Package	Affected	Fixed in
`org.jenkins-ci.plugins:mercurial` Maven	All versions	`2.3`
`org.jenkins-ci.plugins:mercurial` Maven	All versions	`2.3`

Products include Jenkins Mercurial.

How do I fix CVE-2018-1000112?

Upgrade org.jenkins-ci.plugins:mercurial to 2.3 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2018-1000112 being exploited?

There is no known exploitation of CVE-2018-1000112 in the wild and no public exploit code.

Sources

Also known as GHSA-f9cx-789c-w2mr.