CVE-2011-4415
EPSS 0.47%發布日:2011/11/8修改日:2026/4/28
也稱為:DEBIAN-CVE-2011-4415
描述
The ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, does not restrict the size of values of environment variables, which allows local users to cause a denial of service (memory consumption or NULL pointer dereference) via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, related to (1) the "len +=" statement and (2) the apr_pcalloc function call, a different vulnerability than CVE-2011-3607.
受影響套件(1)
- Debian/apache2from 0, < 2.4.1-1