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Vulnerability Details : CVE-2007-6422

The balancer_handler function in mod_proxy_balancer in the Apache HTTP Server 2.2.0 through 2.2.6, when a threaded Multi-Processing Module is used, allows remote authenticated users to cause a denial of service (child process crash) via an invalid bb variable.
Publish Date : 2008-01-08 Last Update Date : 2011-04-12
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Vendor Statements

Fixed in Apache HTTP Server 2.2.8.
Source: Apache

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat low 2008-01-02 2008-01-01
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- Related OVAL Definitions

Title Definition Id Class Family
Apache 'mod_proxy_balancer' Invalid bb Variable Denial of Service Vulnerability oval:org.mitre.oval:def:8690 windows
CVE-2007-6422 unix
ELSA-2008:0008: httpd security update (Moderate) oval:org.mitre.oval:def:22498 unix
mod_proxy_balancer DoS oval:org.apache.httpd:def:20076422
RHSA-2008:0008: httpd security update (Moderate) oval:com.redhat.rhsa:def:20080008 unix
The balancer_handler function in mod_proxy_balancer in the Apache HTTP Server 2.2.0 through 2.2.6, when a threaded Multi... oval:org.mitre.oval:def:10181 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2007-6422

# Product Type Vendor Product Version Update Edition Language
1 Application Apache Http Server 2.2 Version Details Vulnerabilities
2 Application Apache Http Server 2.2.1 Version Details Vulnerabilities
3 Application Apache Http Server 2.2.2 Version Details Vulnerabilities
4 Application Apache Http Server 2.2.3 Version Details Vulnerabilities
5 Application Apache Http Server 2.2.4 Version Details Vulnerabilities
6 Application Apache Http Server 2.2.5 Version Details Vulnerabilities
7 Application Apache Http Server 2.2.6 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apache Http Server 7

- References For CVE-2007-6422 CONFIRM
SUSE SUSE-SA:2008:021
GENTOO GLSA-200803-19
REDHAT RHSA-2008:0009
REDHAT RHSA-2008:0008
BID 27236 Apache 'mod_proxy_balancer' Multiple Vulnerabilities Release Date:2010-05-26
BUGTRAQ 20080110 SecurityReason - Apache2 CSRF, XSS, Memory Corruption and Denial of Service Vulnerability
VUPEN ADV-2008-0048
XF apache-modproxybalancer-dos(39476)

- Metasploit Modules Related To CVE-2007-6422

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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