Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2012-4557

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
30/11/2012
Last modified:
11/04/2025

Description

The mod_proxy_ajp module in the Apache HTTP Server 2.2.12 through 2.2.21 places a worker node into an error state upon detection of a long request-processing time, which allows remote attackers to cause a denial of service (worker consumption) via an expensive request.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:apache:http_server:2.2.12:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.2.13:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.2.14:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.2.15:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.2.16:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.2.17:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.2.18:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.2.19:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.2.20:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.2.21:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools