CVE-2012-0021
EPSS 33.0%
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.
How to fix CVE-2012-0021
To remediate CVE-2012-0021, upgrade the affected package to a fixed version below.
- Debian/apache2—upgrade to 2.2.22-1 or later
Is CVE-2012-0021 being exploited?
Moderate — EPSS is 33.0%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 2.2.22-1