the ultimate security vulnerability data source
(e.g.: CVE-2009-1234 or 2010-1234 or 20101234)
Log In   Register
Vulnerability Feeds & WidgetsNew  

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 : 2017-09-28
Search Twitter   Search YouTube   Search Google

- 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
If you are a vendor and you have additional data which can be automatically imported into our database, please contact admin @

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

- Metasploit Modules Related To CVE-2007-6422

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

CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site. OVAL is a registered trademark of The MITRE Corporation and the authoritative source of OVAL content is MITRE's OVAL web site.
Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.