GHSA-22xp-7rcx-xp34

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GHSA-22xp-7rcx-xp34

Summary: Jenkins Slack Notification Plugin missing permission check

Details: Jenkins Slack Notification Plugin did not perform permission checks on a method implementing form validation. This allowed users with Overall/Read access to Jenkins to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins. Additionally, this form validation method did not require POST requests, resulting in a cross-site request forgery vulnerability. This form validation method now requires POST requests and Overall/Administer (for global configuration) or Item/Configure permissions (for job configuration).

References: https://nvd.nist.gov/vuln/detail/CVE-2019-1003043, https://github.com/jenkinsci/slack-plugin/commit/0268bbefdcc283effd27be5318770f7e75c6f102, https://github.com/jenkinsci/slack-plugin, https://jenkins.io/security/advisory/2019-03-25/#SECURITY-976, https://web.archive.org/web/20200227082607/http://www.securityfocus.com/bid/107628, http://www.openwall.com/lists/oss-security/2019/03/28/2