CVE-2022-43412 Non-constant time webhook token comparison in Jenkins Generic Webhook Trigger Plugin

What is CVE-2022-43412?

CVE-2022-43412 is a medium-severity vulnerability in Jenkins Generic Webhook Trigger Plugin, published on 19 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Jenkins Generic Webhook Trigger Plugin 1.84.1 and earlier uses a non-constant time comparison function when checking whether the provided and expected webhook token are equal, potentially allowing attackers to use statistical methods to obtain a valid webhook token.

Weakness: CWE-203

Which versions are affected by CVE-2022-43412?

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

Products include Jenkins Generic Webhook Trigger.

How do I fix CVE-2022-43412?

Upgrade org.jenkins-ci.plugins:generic-webhook-trigger to 1.84.2 or later.

Is CVE-2022-43412 being exploited?

There is no known exploitation of CVE-2022-43412 in the wild and no public exploit code.

Other vulnerabilities in Jenkins Generic Webhook Trigger Plugin

• CVE-2021-21669 XXE vulnerability in Jenkins Generic Webhook Trigger Plugin Critical 9.8
• CVE-2022-25185 Stored XSS vulnerability in Jenkins Generic Webhook Trigger Plugin Medium 5.4

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-2jxx-2x93-2q2f.