Hiding in Plain Text: Jenkins Plugin Vulnerabilities

Jenkins is a widely used open-source automation server that allows DevOps developers to build, test, and deploy software efficiently and reliably. In order to make the most out of Jenkins’ modular architecture, developers make use of plugins that help extend its core features, allowing them to expand the scripting capabilities of build steps. As of writing, there are over 1,600 community-contributed plugins in Jenkins’ Plugins Index. Some of these plugins store unencrypted plain text credentials. In case of a data breach, these can be accessed by cybercriminals without the organization’s knowledge.

On July 11 and August 7, Jenkins published security advisories that included problems associated with plain-text-stored credentials. For this blog, we will specifically discuss the ones that take advantage of the following information exposure vulnerabilities and the corresponding plugins affected:

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Source:  Trend Micro