Improper input validation in Red Hat Certificate System
Priority LOW 30CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.
Summary
An input validation error was found in Red Hat Certificate System's handling of client provided certificates before 8.1.20-1. If the certreq field is not present in a certificate an assertion error is triggered causing a denial of service.
Why it matters now
EPSS 0.00726 54th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
Red Hat 1 advisory
- RHSA-2017:2560 Released 2017-08-30 · Red Hat rating ModerateRed Hat Certificate System 8 security, bug fix, and enhancement update
- Red Hat Certificate System 8 Advanced Access pki-ca-8.1.9-2.el5pki, pki-common-8.1.20-1.el5pki, pki-common-javadoc-8.1.20-1.el5pki +7
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Certificate System 8 Advanced Access | Fixed | RHSA-2017:2560 |
Timeline
- 2026-10-02 Threatist record created from CVE-2017-7509
- 2026-10-03 Alias added: GHSA-2v3w-p5pg-rgxq
References
More Red Hat Certificate System vulnerabilities
- TI-2021-03479 Incorrect authorization in pki-core CVSS 3.1HIGH 8.1
- TI-2013-01663 Format string vulnerability in the token processing system (pki-tps) in Red Hat… CVSS 2.0HIGH 7.5
- TI-2009-00565 agent/request/op.cgi in the Registration Authority (RA) component in Red Hat Certificate… CVSS 2.0MEDIUM 6.5
- TI-2010-03674 Red Hat Certificate System (RHCS) 7.3 and 8 and Dogtag Certificate System do not require… CVSS 2.0MEDIUM 5.8
- TI-2008-04835 The verifyProof function in the Token Processing System (TPS) component in Red Hat… CVSS 2.0MEDIUM 6.0
- TI-2012-02898 Red Hat Certificate System (RHCS) before 8.1.1 and Dogtag Certificate System does not… CVSS 2.0MEDIUM 5.5
Sources
- CVE-2017-7509 · CVE Program
- CVE-2017-7509 · NVD
- FIRST EPSS
- GHSA-2v3w-p5pg-rgxq · GitHub Advisory Database · CC BY 4.0
- CVE-2017-7509 · Red Hat security data · CC BY 4.0
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