CVE-2017-2607 Improper Neutralization of Input During Web Page Generation in Jenkins
Attackers can inject malicious scripts into build logs via console notes, leading to XSS attacks against Jenkins users viewing those logs.
- 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-2017-2607?
CVE-2017-2607 is a medium-severity cross-site scripting vulnerability in Jenkins Jenkins, published on 21 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 a persisted cross-site scripting vulnerability in console notes (SECURITY-382). Jenkins allows plugins to annotate build logs, adding new content or changing the presentation of existing content while the build is running. Malicious Jenkins users, or users with SCM access, could configure jobs or modify build scripts such that they print serialized console notes that perform cross-site scripting attacks on Jenkins users viewing the build logs.
Weakness: CWE-79
Which versions are affected by CVE-2017-2607?
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-2017-2607?
Upgrade org.jenkins-ci.main:jenkins-core to a fixed version for your release line: 2.32.2 or 2.44.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2017-2607 being exploited?
There is no known exploitation of CVE-2017-2607 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-42m6-7xff-9v9m.