CVE-2012-4555
CVE-2012-4555 is a medium-severity vulnerability in Redhat Certificate System with a CVSS 2.0 base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 2.0 base score 4.0)
- EPSS exploit prediction: 1% (64th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Redhat Certificate System
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2012-4555?
- CVE-2012-4555 has a CVSS 2.0 base score of 4.0, rated medium severity.
- Is CVE-2012-4555 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2012-4555?
- CVE-2012-4555 primarily affects Redhat Certificate System. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2012-4555?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2012-4555 published?
- CVE-2012-4555 was published on 2013-01-04 and last updated on 2026-06-16.
References
- http://rhn.redhat.com/errata/RHSA-2012-1550.html
- http://secunia.com/advisories/51482
- http://www.securityfocus.com/bid/56843
- http://www.securitytracker.com/id?1027846
- https://bugzilla.redhat.com/show_bug.cgi?id=869570
Affected products (7)
- 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:*:*:*:*:*:*:*
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