Improper input validation in Red Hat Certificate System - CVE-2017-7509

 

Improper input validation in Red Hat Certificate System - CVE-2017-7509

Published: August 31, 2017


Vulnerability identifier: #VU8049
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-7509
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Red Hat Inc.
Affected software:
Red Hat Certificate System

Detailed vulnerability description

The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.

The weakness exists due to insufficient validation of user-supplied input. A remote attacker can submit a specially crafted certificate without a certreq field and cause the certificate service to crash.

Successful exploitation of the vulnerability results in denial of service.

How to mitigate CVE-2017-7509

Install update from vendor's website.

Sources