CVE-2016-0789 Jenkins has CRLF Injection Vulnerability in the CLI

Medium 6.1 Published Updated

Remote attackers can inject HTTP headers and split responses via CRLF injection in Jenkins CLI documentation, potentially bypassing security controls.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2016-0789?

CVE-2016-0789 is a medium-severity vulnerability in Jenkins Jenkins, published on 7 Apr 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

CRLF injection vulnerability in the CLI command documentation in Jenkins before 1.650 and LTS before 1.642.2 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.

Weakness: CWE-20

Which versions are affected by CVE-2016-0789?

4 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 versions1.642.2
org.jenkins-ci.main:jenkins-core MavenAll versions1.642.2
org.jenkins-ci.main:jenkins-core MavenFrom 1.6431.650
org.jenkins-ci.main:jenkins-core MavenFrom 1.6431.650

Products include Jenkins Jenkins, Redhat Openshift.

How do I fix CVE-2016-0789?

Upgrade org.jenkins-ci.main:jenkins-core to a fixed version for your release line: 1.642.2 or 1.650.

Is CVE-2016-0789 being exploited?

There is no known exploitation of CVE-2016-0789 in the wild and no public exploit code.

All Jenkins Jenkins vulnerabilities

Sources

Also known as GHSA-8p3c-m625-wh83.

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