CVE-2020-2122

Description

brakeman Plugin 0.12 and earlier did not escape values received from parsed JSON files when rendering them, resulting in a stored cross-site scripting vulnerability. This vulnerability can be exploited by users able to control the Brakeman post-build step input data.\n\nbrakeman Plugin 0.13 escape affected values from the parsed file as they are recorded. This fix is only applied to newly recorded data after a fixed version of the plugin is installed; historical data may still contain unsafe values.

How to fix CVE-2020-2122

To remediate CVE-2020-2122, upgrade the affected package to a fixed version below.

• —upgrade to 0.13 or later

Is CVE-2020-2122 being exploited?

Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.

Affected packages (1)

• from 0, < 0.13

CVSS scores

References (4)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2020-2122
• PATCHgithub.com/jenkinsci/brakeman-plugin
• WEBjenkins.io/security/advisory/2020-02-12/#SECURITY-1644
• WEBwww.openwall.com/lists/oss-security/2020/02/12/3