CVE-2011-4415
LOW 1.2EPSS 3.0%
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.
- CVSS v2.0 NVD
- 1.2 LOW
AV:L/AC:H/Au:N/C:N/I:N/A:P - EPSS
- 3.02% chance of exploitation in the next 30 days, 87th percentile
- Published
- 2011-11-08
- Updated
- 2024-08-07