CVE-2017-7509

low-risk

Published 2018-07-26

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.

Do I need to act?

0.33% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 3.5/10 Low

NETWORK / LOW complexity

Affected Products (1)

Certificate System

Affected Vendors

Redhat

References (6)

Third Party Advisory http://www.securitytracker.com/id/1039248

Vendor Advisory https://access.redhat.com/errata/RHSA-2017:2560

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7509

Third Party Advisory http://www.securitytracker.com/id/1039248

Vendor Advisory https://access.redhat.com/errata/RHSA-2017:2560

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7509

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low-risk

Severity 16/34 · Moderate

Exploitability 1/34 · Minimal

Exposure 5/34 · Minimal