Home > Vulnerability Database > CVE-2012-0021

Mend.io Vulnerability Database

CVE-2012-0021

Good to know:

Date: January 27, 2012

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.

Language: C

Severity Score

3.7

Related Resources (32)

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2012-0021

Url: http://httpd.apache.org/security/vulnerabilities_22.html

Url: https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E

Url: https://nvd.nist.gov/vuln/detail/CVE-2012-0021

Url: https://bugzilla.redhat.com/show_bug.cgi?id=785065

Url: http://marc.info/?l=bugtraq&m=133294460209056&w=2

Url: https://lists.apache.org/thread.html/r05b5357d1f6bd106f41541ee7d87aafe3f5ea4dc3e9bde5ce09baff8%40%3Ccvs.httpd.apache.org%3E

Url: https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E

Url: https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E

Url: https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E

Url: http://rhn.redhat.com/errata/RHSA-2012-0543.html

Url: http://www.mandriva.com/security/advisories?name=MDVSA-2012:012

Url: https://lists.apache.org/thread.html/r9b4b963760a3cb5a4a70c902f325c6c0337fe51d5b8570416f8f8729%40%3Ccvs.httpd.apache.org%3E

Url: http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html

Url: https://lists.apache.org/thread.html/r1d201e3da31a2c8aa870c8314623caef7debd74a13d0f25205e26f15%40%3Ccvs.httpd.apache.org%3E

Url: http://secunia.com/advisories/48551

Url: http://marc.info/?l=bugtraq&m=133494237717847&w=2

Url: https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E

Url: https://security-tracker.debian.org/tracker/CVE-2012-0021

Url: http://rhn.redhat.com/errata/RHSA-2012-0542.html

Url: https://issues.apache.org/bugzilla/show_bug.cgi?id=52256

Url: http://www.mandriva.com/security/advisories?name=MDVSA-2013:150

Url: https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E

Url: https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E

Url: https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E

Url: http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041

Url: http://svn.apache.org/viewvc?view=revision&revision=1227292

Url: http://support.apple.com/kb/HT5501

Url: https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E

Url: https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E

Url: http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html

Url: https://www.mend.io/vulnerability-database/CVE-2012-0021

Severity Score

3.7

Weakness Type (CWE)

Input Validation

CWE-20

Top Fix

Upgrade Version

Upgrade to version 2.2.22

Learn More

CVSS v3.1

Base Score:	3.7
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	LOW

CVSS v2

Base Score:	2.6
Access Vector (AV):	NETWORK
Access Complexity (AC):	HIGH
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

Mend.io Vulnerability Database

We found results for “”

CVE-2012-0021

Good to know:

Date: January 27, 2012

Language: C

Severity Score

Related Resources (32)

Severity Score

Weakness Type (CWE)

Top Fix

Upgrade Version

CVSS v3.1

CVSS v2

Do you need more information?