CVE-2018-1000173 Jenkins Google Login Plugin Session Fixation vulnerability

Medium 5.9 Published Updated

Attackers can impersonate users by controlling the pre-authentication session in the Jenkins Google Login 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-2018-1000173?

CVE-2018-1000173 is a medium-severity authentication bypass vulnerability in n/a, published on 8 May 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A session fixaction vulnerability exists in Jenkins Google Login Plugin 1.3 and older in GoogleOAuth2SecurityRealm.java that allows unauthorized attackers to impersonate another user if they can control the pre-authentication session.

Weakness: CWE-384

Which versions are affected by CVE-2018-1000173?

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

PackageAffectedFixed in
org.jenkins-ci.plugins:google-login MavenAll versions1.3.1
org.jenkins-ci.plugins:google-login MavenAll versions1.3.1

Products include Jenkins Google Login.

How do I fix CVE-2018-1000173?

Upgrade org.jenkins-ci.plugins:google-login to 1.3.1 or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2018-1000173 being exploited?

There is no known exploitation of CVE-2018-1000173 in the wild and no public exploit code.

Sources

Also known as GHSA-rp82-xvg3-727c.

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