CVE-2017-2602 Incomplete List of Disallowed Inputs in Jenkins
Malicious agents can write to protected metadata files due to improper blacklisting, allowing unauthorized data modification 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-2017-2602?
CVE-2017-2602 is a low-severity missing authorization vulnerability in Jenkins Jenkins, published on 15 May 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
jenkins before versions 2.44, 2.32.2 is vulnerable to an improper blacklisting of the Pipeline metadata files in the agent-to-master security subsystem. This could allow metadata files to be written to by malicious agents (SECURITY-358).
Weakness: CWE-184
Which versions are affected by CVE-2017-2602?
4 open source packages ship an affected version, including org.jenkins-ci.main:jenkins-core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jenkins-ci.main:jenkins-core Maven | All versions | 2.32.2 |
org.jenkins-ci.main:jenkins-core Maven | All versions | 2.32.2 |
org.jenkins-ci.main:jenkins-core Maven | From 2.34 | 2.44 |
org.jenkins-ci.main:jenkins-core Maven | From 2.34 | 2.44 |
Products include Jenkins Jenkins.
How do I fix CVE-2017-2602?
Upgrade org.jenkins-ci.main:jenkins-core to a fixed version for your release line: 2.32.2 or 2.44.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2017-2602 being exploited?
There is no known exploitation of CVE-2017-2602 in the wild and no public exploit code.
Other vulnerabilities in Jenkins Jenkins
- CVE-2024-23897 Jenkins Command Line Interface (CLI) Path Traversal
- CVE-2018-1000861 Jenkins Stapler Web Framework Deserialization of Untrusted Data
- CVE-2017-1000353 Jenkins Remote Code Execution
- CVE-2015-5317 Jenkins User Interface (UI) Information Disclosure
- CVE-2021-21690 Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins
Sources
Also known as GHSA-ffgg-vphh-v273.