CVE-2017-2648 Jenkins SSH Build Agents Plugin did not verify host keys
Jenkins SSH slaves plugin fails to verify host keys, allowing Man-in-the-Middle attacks to intercept or modify SSH connections.
- 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-2017-2648?
CVE-2017-2648 is a medium-severity vulnerability in jenkins-ssh-slaves-plugin, published on 27 Jul 2018. 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
It was found that jenkins-ssh-slaves-plugin before version 1.15 did not perform host key verification, thereby enabling Man-in-the-Middle attacks.
Weakness: CWE-295
Which versions are affected by CVE-2017-2648?
2 open source packages ship an affected version, including org.jenkins-ci.plugins:ssh-slaves. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jenkins-ci.plugins:ssh-slaves Maven | All versions | 1.15 |
org.jenkins-ci.plugins:ssh-slaves Maven | All versions | 1.15 |
Products include Jenkins Ssh Slaves.
How do I fix CVE-2017-2648?
Upgrade org.jenkins-ci.plugins:ssh-slaves to 1.15 or later.
Is CVE-2017-2648 being exploited?
There is no known exploitation of CVE-2017-2648 in the wild and no public exploit code.
Sources
Also known as GHSA-x654-4wjh-74q6.