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Vulnerability record · CVE-2012-4556 · published 4 January 2013

CVE-2012-4556: Redhat certificate system improper input validation vulnerability

Redhat · Certificate System

The token processing system (pki-tps) in Red Hat Certificate System (RHCS) before 8.1.3 allows remote attackers to cause a denial of service (Apache httpd web server child process restart) via certain unspecified empty search fields in a user certificate search query.

4.0 CVSS 2.0 Medium EPSS 1.2% · top 33.2% CWE-20 · Improper input validation
4.0CVSS 2.0 base score
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

Description

The token processing system (pki-tps) in Red Hat Certificate System (RHCS) before 8.1.3 allows remote attackers to cause a denial of service (Apache httpd web server child process restart) via certain unspecified empty search fields in a user certificate search query.

AV:N/AC:L/Au:S/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://rhn.redhat.com/errata/RHSA-2012-1550.html Vendor Advisory
http://secunia.com/advisories/51482 Vendor Advisory
http://www.securityfocus.com/bid/56843
http://www.securitytracker.com/id?1027846
https://bugzilla.redhat.com/show_bug.cgi?id=869579
http://rhn.redhat.com/errata/RHSA-2012-1550.html Vendor Advisory
http://secunia.com/advisories/51482 Vendor Advisory
http://www.securityfocus.com/bid/56843
http://www.securitytracker.com/id?1027846
https://bugzilla.redhat.com/show_bug.cgi?id=869579

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.1CVE-2021-20179Dogtagpki incorrect authorization vulnerabilityA flaw was found in pki-core. An attacker who has successfully compromised a key could use this flaw to renew the corresponding certificate over and …EPSS 1.2%7.5CVE-2013-1886Redhat certificate system vulnerabilityFormat string vulnerability in the token processing system (pki-tps) in Red Hat Certificate System (RHCS) 8.1 and possibly Dogtag Certificate System …EPSS 2.2%6.5CVE-2017-7509Redhat certificate system improper input validation vulnerabilityAn 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…EPSS 0.73%6.5CVE-2009-0588Redhat certificate system vulnerabilityagent/request/op.cgi in the Registration Authority (RA) component in Red Hat Certificate System (RHCS) 7.3 and Dogtag Certificate System allows remot…EPSS 1.3%6.0CVE-2008-5082Redhat dogtag certificate system improper authentication vulnerabilityThe verifyProof function in the Token Processing System (TPS) component in Red Hat Certificate System (RHCS) 7.1 through 7.3 and Dogtag Certificate S…EPSS 0.78%5.8CVE-2010-3868Redhat certificate system improper authentication vulnerabilityRed Hat Certificate System (RHCS) 7.3 and 8 and Dogtag Certificate System do not require authentication for requests to decrypt SCEP one-time PINs, w…EPSS 1.3%5.7CVE-2022-2393Pki-core project pki-core improper authorization vulnerabilityA flaw was found in pki-core, which could allow a user to get a certificate for another user identity when directory-based authentication is enabled.…EPSS 0.25%5.5CVE-2012-3367Redhat certificate system vulnerabilityRed Hat Certificate System (RHCS) before 8.1.1 and Dogtag Certificate System does not properly check certificate revocation requests made through the…EPSS 1.2%

Source: NIST National Vulnerability Database (record CVE-2012-4556), CISA KEV, FIRST EPSS (scores of 2026-09-30). This page is refreshed as NVD updates the record.