Improper Authentication Affecting pki-base package, versions <0:10.4.1-11.el7
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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Test your applications- Snyk IDSNYK-RHEL7-PKIBASE-5139629
- published26 Jul 2021
- disclosed21 Jul 2017
Introduced: 21 Jul 2017
CVE-2017-7537 (opens in a new tab)How to fix?
Upgrade RHEL:7 pki-base to version 0:10.4.1-11.el7 or higher.
This issue was patched in RHSA-2017:2335.
NVD Description
Note: Versions mentioned in the description apply only to the upstream pki-base package and not the pki-base package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
It was found that a mock CMC authentication plugin with a hardcoded secret was accidentally enabled by default in the pki-core package before 10.6.4. An attacker could potentially use this flaw to bypass the regular authentication process and trick the CA server into issuing certificates.