CVE-2012-0021

N/A Unknown
Published: January 28, 2012 Modified: April 29, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
Source: secalert@redhat.com
http://httpd.apache.org/security/vulnerabilities_22.html
Source: secalert@redhat.com
Vendor Advisory
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
Source: secalert@redhat.com
http://marc.info/?l=bugtraq&m=133294460209056&w=2
Source: secalert@redhat.com
http://marc.info/?l=bugtraq&m=133494237717847&w=2
Source: secalert@redhat.com
http://rhn.redhat.com/errata/RHSA-2012-0542.html
Source: secalert@redhat.com
http://rhn.redhat.com/errata/RHSA-2012-0543.html
Source: secalert@redhat.com
http://secunia.com/advisories/48551
Source: secalert@redhat.com
http://support.apple.com/kb/HT5501
Source: secalert@redhat.com
http://svn.apache.org/viewvc?view=revision&revision=1227292
Source: secalert@redhat.com
Patch
http://www.mandriva.com/security/advisories?name=MDVSA-2012:012
Source: secalert@redhat.com
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
Source: secalert@redhat.com
http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html
Source: secalert@redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=785065
Source: secalert@redhat.com
https://issues.apache.org/bugzilla/show_bug.cgi?id=52256
Source: secalert@redhat.com
Patch
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
https://lists.apache.org/thread.html/r05b5357d1f6bd106f41541ee7d87aafe3f5ea4dc3e9bde5ce09baff8%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
https://lists.apache.org/thread.html/r1d201e3da31a2c8aa870c8314623caef7debd74a13d0f25205e26f15%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
https://lists.apache.org/thread.html/r9b4b963760a3cb5a4a70c902f325c6c0337fe51d5b8570416f8f8729%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E
Source: secalert@redhat.com
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
Source: af854a3a-2127-422b-91ae-364da2661108
http://httpd.apache.org/security/vulnerabilities_22.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://marc.info/?l=bugtraq&m=133294460209056&w=2
Source: af854a3a-2127-422b-91ae-364da2661108
http://marc.info/?l=bugtraq&m=133494237717847&w=2
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2012-0542.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2012-0543.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/48551
Source: af854a3a-2127-422b-91ae-364da2661108
http://support.apple.com/kb/HT5501
Source: af854a3a-2127-422b-91ae-364da2661108
http://svn.apache.org/viewvc?view=revision&revision=1227292
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.mandriva.com/security/advisories?name=MDVSA-2012:012
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=785065
Source: af854a3a-2127-422b-91ae-364da2661108
https://issues.apache.org/bugzilla/show_bug.cgi?id=52256
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.apache.org/thread.html/r05b5357d1f6bd106f41541ee7d87aafe3f5ea4dc3e9bde5ce09baff8%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.apache.org/thread.html/r1d201e3da31a2c8aa870c8314623caef7debd74a13d0f25205e26f15%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.apache.org/thread.html/r9b4b963760a3cb5a4a70c902f325c6c0337fe51d5b8570416f8f8729%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E
Source: af854a3a-2127-422b-91ae-364da2661108

56 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
30.8%
98th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-20

Affected Vendors

apache

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