Cross-site Scripting (XSS) Affecting rubygem-psych package, versions <0:2.2.2-90.el7cf
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-RHEL7-RUBYGEMPSYCH-3487855
- published1 Nov 2021
- disclosed22 May 2018
Introduced: 22 May 2018
CVE-2018-11627 (opens in a new tab)How to fix?
Upgrade RHEL:7 rubygem-psych to version 0:2.2.2-90.el7cf or higher.
This issue was patched in RHSA-2019:0212.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rubygem-psych package and not the rubygem-psych package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
Sinatra before 2.0.2 has XSS via the 400 Bad Request page that occurs upon a params parser exception.