CVE-2017-2651 Exposure of Sensitive Information to an Unauthorized Actor in Jenkins-mailer-plugin

Low 3.7 Published 27 Jul 2018 Updated 5 Aug 2024

An attacker can cause emails to be sent to unauthorized individuals due to flawed user mapping in the Jenkins mailer plugin.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2017-2651?

CVE-2017-2651 is a low-severity vulnerability in jenkins-mailer-plugin, published on 27 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

jenkins-mailer-plugin before version 1.20 is vulnerable to an information disclosure while using the feature to send emails to a dynamically created list of users based on the changelogs. This could in some cases result in emails being sent to people who have no user account in Jenkins, and in rare cases even people who were not involved in whatever project was being built, due to some mapping based on the local-part of email addresses.

Weakness: CWE-200

Which versions are affected by CVE-2017-2651?

2 open source packages ship an affected version, including org.jenkins-ci.plugins:mailer. It affects 1 product.

Package	Affected	Fixed in
`org.jenkins-ci.plugins:mailer` Maven	All versions	`1.20`
`org.jenkins-ci.plugins:mailer` Maven	All versions	`1.20`

Products include Jenkins Mailer.

How do I fix CVE-2017-2651?

Upgrade org.jenkins-ci.plugins:mailer to 1.20 or later.

Is CVE-2017-2651 being exploited?

There is no known exploitation of CVE-2017-2651 in the wild and no public exploit code.

Sources

Also known as GHSA-9v72-p5p3-9w65.