CVE-2012-0785 Hash collision attack vulnerability in Jenkins

What is CVE-2012-0785?

CVE-2012-0785 is a high-severity denial of service vulnerability in Jenkins Jenkins, published on 24 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Hash collision attack vulnerability in Jenkins before 1.447, Jenkins LTS before 1.424.2, and Jenkins Enterprise by CloudBees 1.424.x before 1.424.2.1 and 1.400.x before 1.400.0.11 could allow remote attackers to cause a considerable CPU load, aka "the Hash DoS attack."

Weakness: CWE-400

Which versions are affected by CVE-2012-0785?

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

Products include Cloudbees Jenkins, Jenkins Jenkins.

How do I fix CVE-2012-0785?

Upgrade org.jenkins-ci.main:jenkins-core to a fixed version for your release line: 1.424.2 or 1.447.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2012-0785 being exploited?

There is no known exploitation of CVE-2012-0785 in the wild and no public exploit code.

Other vulnerabilities in Jenkins Jenkins

• CVE-2013-2034 Jenkins Cross-Site Request Forgery vulnerabilities Medium 6.8
• CVE-2012-6073 Jenkins affected by Open Redirect Vulnerability Medium 5.8
• CVE-2012-6072 Jenkins allows HTTP Injection and Response Splitting Medium 4.3
• CVE-2012-0324 Jenkins allows Cross-Site Scripting (XSS) Medium 4.3
• CVE-2012-0325 Jenkins allows Cross-Site Scripting (XSS) Medium 4.3

All Jenkins Jenkins vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-pchp-c5w8-47gc.