Unscored severity · published Jan 28, 2012
CVE-2012-0021
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…
–
CVSS
30.3%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)30.3% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HS
HTTP Server · Apache
2.2.17; 2.2.18; 2.2.19; 2.2.20; 2.2.21 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2012-0021
CVE.org
https://www.cve.org/CVERecord?id=CVE-2012-0021
h20000.www2.hp.com
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
Vendor Advisory
http://httpd.apache.org/security/vulnerabilities_22.html
lists.apple.com
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
marc.info
http://marc.info/?l=bugtraq&m=133294460209056&w=2
marc.info
http://marc.info/?l=bugtraq&m=133494237717847&w=2
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2012-0542.html
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