CVE-2019-1003011 Jenkins Token Macro Plugin's recursive token expansion results in information disclosure and DoS
Attackers controlling token macro input can trigger recursive evaluation, causing denial of service and information exposure in Jenkins.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-1003011?
CVE-2019-1003011 is a high-severity denial of service vulnerability in Redhat Openshift Container Platform, published on 6 Feb 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An information exposure and denial of service vulnerability exists in Jenkins Token Macro Plugin 2.5 and earlier in src/main/java/org/jenkinsci/plugins/tokenmacro/Parser.java, src/main/java/org/jenkinsci/plugins/tokenmacro/TokenMacro.java, src/main/java/org/jenkinsci/plugins/tokenmacro/impl/AbstractChangesSinceMacro.java, src/main/java/org/jenkinsci/plugins/tokenmacro/impl/ChangesSinceLastBuildMacro.java, src/main/java/org/jenkinsci/plugins/tokenmacro/impl/ProjectUrlMacro.java that allows attackers with the ability to control token macro input (such as SCM changelogs) to define recursive input that results in unexpected macro evaluation.
Weakness: CWE-674
Which versions are affected by CVE-2019-1003011?
2 open source packages ship an affected version, including org.jenkins-ci.plugins:token-macro. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
org.jenkins-ci.plugins:token-macro Maven | All versions | 2.6 |
org.jenkins-ci.plugins:token-macro Maven | All versions | 2.6 |
Products include Jenkins Token Macro, Redhat Openshift Container Platform.
How do I fix CVE-2019-1003011?
Upgrade org.jenkins-ci.plugins:token-macro to 2.6 or later.
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-2019-1003011 being exploited?
There is no known exploitation of CVE-2019-1003011 in the wild and no public exploit code.
Other vulnerabilities in Redhat Openshift Container Platform
Sources
Also known as GHSA-23h9-m55m-c5jp.