Description
The log_cookie function in mod_log_config.c in the mod_log_config module in the Apache HTTP Server 2.2.17 through 2.2.21, when a threaded MPM is used, does not properly handle a %{}C format string, which allows remote attackers to cause a denial of service (daemon crash) via a cookie that lacks both a name and a value.
Published: 2012-01-28
Score: 2.6 Low
EPSS: 33.0% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Ubuntu USN Ubuntu USN USN-1368-1 Apache HTTP Server vulnerabilities
References
Link Providers
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041 cve-icon cve-icon
http://httpd.apache.org/security/vulnerabilities_22.html cve-icon cve-icon
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html cve-icon cve-icon
http://marc.info/?l=bugtraq&m=133294460209056&w=2 cve-icon cve-icon
http://marc.info/?l=bugtraq&m=133494237717847&w=2 cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2012-0542.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2012-0543.html cve-icon cve-icon
http://secunia.com/advisories/48551 cve-icon cve-icon
http://support.apple.com/kb/HT5501 cve-icon cve-icon
http://svn.apache.org/viewvc?view=revision&revision=1227292 cve-icon cve-icon
http://www.mandriva.com/security/advisories?name=MDVSA-2012:012 cve-icon cve-icon
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 cve-icon cve-icon
http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=785065 cve-icon cve-icon
https://issues.apache.org/bugzilla/show_bug.cgi?id=52256 cve-icon cve-icon
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r05b5357d1f6bd106f41541ee7d87aafe3f5ea4dc3e9bde5ce09baff8%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r1d201e3da31a2c8aa870c8314623caef7debd74a13d0f25205e26f15%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9b4b963760a3cb5a4a70c902f325c6c0337fe51d5b8570416f8f8729%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2012-0021 cve-icon
https://www.cve.org/CVERecord?id=CVE-2012-0021 cve-icon
History

No history.

Subscriptions

Apache Http Server
Redhat Jboss Enterprise Web Server
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T18:09:17.166Z

Reserved: 2011-12-07T00:00:00.000Z

Link: CVE-2012-0021

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2012-01-28T04:05:00.750

Modified: 2026-04-29T01:13:23.040

Link: CVE-2012-0021

cve-icon Redhat

Severity : Low

Publid Date: 2011-11-28T00:00:00Z

Links: CVE-2012-0021 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses