CVE-2011-4415

Published Nov 8, 2011

Last updated 12 years ago

Overview

Description
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.
Source
cve@mitre.org
NVD status
Modified

Social media

Hype score
Not currently trending

Risk scores

CVSS 2.0

Type
Primary
Base score
1.2
Impact score
2.9
Exploitability score
1.9
Vector string
AV:L/AC:H/Au:N/C:N/I:N/A:P

Weaknesses

nvd@nist.gov
CWE-20

Configurations