Vulnerability Details : CVE-2012-4555
The token processing system (pki-tps) in Red Hat Certificate System (RHCS) before 8.1.3 does not properly handle interruptions of token format operations, which allows remote attackers to cause a denial of service (NULL pointer dereference and Apache httpd web server child process crash) via unspecified vectors.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2012-4555
- cpe:2.3:a:redhat:certificate_system:*:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:certificate_system:7.1:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:certificate_system:7.2:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:certificate_system:7.3:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:certificate_system:8:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:certificate_system:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:certificate_system:8.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-4555
0.38%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-4555
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST |
References for CVE-2012-4555
-
http://www.securitytracker.com/id?1027846
Red Hat Certificate System Flaws Permit Cross-Site Scripting and Denial of Service Attacks - SecurityTracker
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http://rhn.redhat.com/errata/RHSA-2012-1550.html
RHSA-2012:1550 - Security Advisory - Red Hat Customer PortalVendor Advisory
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http://www.securityfocus.com/bid/56843
Red Hat Certificate System Multiple Cross-Site Scripting and Denial of Service Vulnerabilities
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https://bugzilla.redhat.com/show_bug.cgi?id=869570
869570 – (CVE-2012-4555) CVE-2012-4555 pki-tps: Temporary denial of service on interrupted token format operations
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