Vulnerability CVE-2017-7509
Published: 2018-07-26

Description:
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.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:S/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Redhat -> Certificate system 

 References:
http://www.securitytracker.com/id/1039248
https://access.redhat.com/errata/RHSA-2017:2560
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7509
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