PT-2018-8392 · Red Hat · Red Hat Certificate System

Published 2018-07-26 · Updated 2019-10-09 · CVE-2017-7509

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Red Hat Certificate System versions prior to 8.1.20-1

Description An input validation error exists in the handling of client-provided certificates. If the certreq field is not present in a certificate, an assertion error is triggered, causing a denial of service.

Recommendations For versions prior to 8.1.20-1, update to version 8.1.20-1 or later to resolve the issue. As a temporary workaround, consider validating client-provided certificates to ensure the presence of the certreq field before processing them.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2017-7509

RHSA-2017:2560

Affected Products

Red Hat Certificate System

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2017-7509 · Security Note
• https://osv.dev/vulnerability/CVE-2017-7509 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2017:2560 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7509 · Vendor Advisory
• http://securitytracker.com/id/1039248 · Note