CVE-2016-0790 Exposure of Sensitive Information in Jenkins Core

Medium 5.3 Published Updated

Remote attackers can brute-force API tokens due to non-constant-time verification, potentially leading to unauthorized access.

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

What is CVE-2016-0790?

CVE-2016-0790 is a medium-severity vulnerability in Jenkins Jenkins, published on 7 Apr 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Jenkins before 1.650 and LTS before 1.642.2 do not use a constant-time algorithm to verify API tokens, which makes it easier for remote attackers to determine API tokens via a brute-force approach.

Weakness: CWE-254, CWE-200

Which versions are affected by CVE-2016-0790?

2 open source packages ship an affected version, including org.jenkins-ci.main:jenkins-core. It affects 2 products.

PackageAffectedFixed in
org.jenkins-ci.main:jenkins-core MavenAll versions1.650
org.jenkins-ci.main:jenkins-core MavenAll versions1.650

Products include Jenkins Jenkins, Redhat Openshift.

How do I fix CVE-2016-0790?

Upgrade org.jenkins-ci.main:jenkins-core to 1.650 or later.

Is CVE-2016-0790 being exploited?

There is no known exploitation of CVE-2016-0790 in the wild and no public exploit code.

All Jenkins Jenkins vulnerabilities

Sources

Also known as GHSA-jgpr-qrw2-6gp3.

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