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Vulnerability ID | VCID-7ux2-rxgt-aaam |
Aliases |
CVE-2011-4415
|
Summary | 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. |
Status | Published |
Exploitability | 2.0 |
Weighted Severity | 1.1 |
Risk | 2.2 |
Affected and Fixed Packages | Package Details |
CWE-20 | Improper Input Validation |
Data source | Exploit-DB |
---|---|
Date added | March 29, 2017 |
Description | Apache < 2.0.64 / < 2.2.21 mod_setenvif - Integer Overflow |
Ransomware campaign use | Unknown |
Source publication date | Nov. 2, 2011 |
Exploit type | dos |
Platform | linux |
Source update date | March 29, 2017 |
Source URL | http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/ |
Exploitability (E) | Access Vector (AV) | Access Complexity (AC) | Authentication (Au) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
---|---|---|---|---|---|---|
high functional unproven proof_of_concept not_defined |
local adjacent_network network |
high medium low |
multiple single none |
none partial complete |
none partial complete |
none partial complete |
Percentile | 0.05128 |
EPSS Score | 0.00042 |
Published At | Nov. 1, 2024, midnight |
Date | Actor | Action | Source | VulnerableCode Version |
---|---|---|---|---|
There are no relevant records. |