Executive Summary

Summary
Title mod_rpaf: Denial of Service
Informations
Name GLSA-201209-20 First vendor Publication 2012-09-27
Vendor Gentoo Last vendor Modification 2012-09-27
Severity (Vendor) Normal Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

A vulnerability in mod_rpaf may result in Denial of Service.

Background

mod_rpaf is a reverse proxy add forward module for backend Apache servers.

Description

An error has been found in the way mod_rpaf handles X-Forwarded-For headers. Please review the CVE identifier referenced below for details.

Impact

A remote attacker could send a specially crafted HTTP header, possibly resulting in a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All mod_rpaf users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-apache/mod_rpaf-0.6"

References

[ 1 ] CVE-2012-3526 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3526

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-201209-20.xml

Original Source

Url : http://security.gentoo.org/glsa/glsa-201209-20.xml

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 2

OpenVAS Exploits

Date Description
2012-10-03 Name : Gentoo Security Advisory GLSA 201209-20 (mod_rpaf)
File : nvt/glsa_201209_20.nasl

Snort® IPS/IDS

Date Description
2014-01-10 Apache mod_rpaf X-Forwarded-For header denial of service attempt
RuleID : 24348 - Revision : 6 - Type : SERVER-APACHE

Nessus® Vulnerability Scanner

Date Description
2012-09-28 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201209-20.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2014-02-17 11:37:35
  • Multiple Updates