Apache 'mod_proxy_balancer' Multiple Vulnerabilities

BID:27236

Info

Apache 'mod_proxy_balancer' Multiple Vulnerabilities

Bugtraq ID: 27236
Class: Unknown
CVE: CVE-2007-6420
CVE-2007-6421
CVE-2007-6422
CVE-2007-6423
Remote: Yes
Local: No
Published: Jan 09 2008 12:00AM
Updated: Apr 13 2015 10:16PM
Credit: sp3x is credited with the discovery of these issues.
Vulnerable: Ubuntu Ubuntu Linux 8.04 LTS sparc
Ubuntu Ubuntu Linux 8.04 LTS powerpc
Ubuntu Ubuntu Linux 8.04 LTS lpia
Ubuntu Ubuntu Linux 8.04 LTS i386
Ubuntu Ubuntu Linux 8.04 LTS amd64
Ubuntu Ubuntu Linux 7.10 sparc
Ubuntu Ubuntu Linux 7.10 powerpc
Ubuntu Ubuntu Linux 7.10 lpia
Ubuntu Ubuntu Linux 7.10 i386
Ubuntu Ubuntu Linux 7.10 amd64
Ubuntu Ubuntu Linux 7.04 sparc
Ubuntu Ubuntu Linux 7.04 powerpc
Ubuntu Ubuntu Linux 7.04 i386
Ubuntu Ubuntu Linux 7.04 amd64
Ubuntu Ubuntu Linux 6.10 sparc
Ubuntu Ubuntu Linux 6.10 powerpc
Ubuntu Ubuntu Linux 6.10 i386
Ubuntu Ubuntu Linux 6.10 amd64
Ubuntu Ubuntu Linux 6.06 LTS sparc
Ubuntu Ubuntu Linux 6.06 LTS powerpc
Ubuntu Ubuntu Linux 6.06 LTS i386
Ubuntu Ubuntu Linux 6.06 LTS amd64
Turbolinux Turbolinux Server 10.0
Turbolinux Turbolinux Server 11 x64
Turbolinux Turbolinux Server 11
Turbolinux Turbolinux Server 10.0.0 x64
TurboLinux Personal
TurboLinux Multimedia
Turbolinux FUJI 0
Turbolinux Appliance Server Workgroup Edition 1.0
Turbolinux Appliance Server Hosting Edition 1.0
Turbolinux Appliance Server 1.0 Workgroup Edition
Turbolinux Appliance Server 1.0 Hosting Edition
Turbolinux Appliance Server 2.0
SuSE SUSE Linux Enterprise Server 9
SuSE SUSE Linux Enterprise Server 10 SP1
SuSE SUSE Linux Enterprise Server 10
SuSE SUSE Linux Enterprise SDK 10.SP1
SuSE Suse Linux Enterprise Desktop 10 SP2
SuSE Suse Linux Enterprise Desktop 10 SP1
SuSE Suse Linux Enterprise Desktop 10
SuSE Linux 10.1 x86-64
SuSE Linux 10.1 x86
SuSE Linux 10.1 ppc
S.u.S.E. openSUSE 11.0
S.u.S.E. openSUSE 10.3
S.u.S.E. openSUSE 10.2
S.u.S.E. Open-Enterprise-Server 9.0
S.u.S.E. Open-Enterprise-Server 0
S.u.S.E. Novell Linux POS 9
S.u.S.E. Novell Linux Desktop SDK 9.0
S.u.S.E. Novell Linux Desktop 9.0
rPath rPath Linux 2
rPath Appliance Platform Linux Service 2
Redhat Fedora 7
Redhat Enterprise Linux Desktop Workstation 5 client
Redhat Enterprise Linux Desktop 5 client
Redhat Enterprise Linux 5 Server
Redhat Application Stack v2 0
Mandriva Linux Mandrake 2008.0 x86_64
Mandriva Linux Mandrake 2008.0
Mandriva Linux Mandrake 2007.1 x86_64
Mandriva Linux Mandrake 2007.1
Mandriva Linux Mandrake 2007.0 x86_64
Mandriva Linux Mandrake 2007.0
MandrakeSoft Corporate Server 4.0 x86_64
MandrakeSoft Corporate Server 4.0
HP HP-UX B.11.31
HP HP-UX B.11.23
HP HP-UX B.11.11
HP Business Availability Center 8.01
Gentoo Linux
Apple Mac OS X Server 10.5.5
Apple Mac OS X Server 10.5.4
Apple Mac OS X Server 10.5.3
Apple Mac OS X Server 10.5.2
Apple Mac OS X Server 10.5.1
Apple Mac OS X Server 10.5
Apple Mac OS X 10.5.2
Apple Mac OS X 10.5.1
Apple Mac OS X 10.5
Apache Apache 2.2.6
Apache Apache 2.2.5
Apache Apache 2.2.4
Apache Apache 2.2.3
Apache Apache 2.2.2
Apache Apache 2.2
Apache Apache 2.2.6-dev
Apache Apache 2.2.5-dev
Not Vulnerable: Apache Apache 2.2.9
+ Adobe Flash Media Server 3.5.3
+ Adobe Flash Media Server 3.5.2
+ Adobe Flash Media Server 3.5.1
Apache Apache 2.2.7-dev

Discussion

Apache 'mod_proxy_balancer' Multiple Vulnerabilities

The Apache 'mod_proxy_balancer' module is prone to multiple vulnerabilities, including denial-of-service, memory-corruption, cross-site scripting, HTML-injection, and cross-site request-forgery issues.

Attackers can exploit these issues to inject arbitrary script code into vulnerable sections of the application, execute this script code in the browser of a user in the context of the affected site, and perform certain actions using the user's active session. Attackers can exploit the denial-of-service issue to deny further service to legitimate users. Exploiting the memory-corruption vulnerability is likely to cause a crash and could allow arbitrary code to run, but this has not been confirmed.

The issues affect Apache 2.2.6, 2.2.5, 2.2.4, 2.2.3, 2.2.2, 2.2.0; other versions may also be vulnerable.

Exploit / POC

Apache 'mod_proxy_balancer' Multiple Vulnerabilities

The researcher who found these issues has developed working exploit code, but it is not publicly available.

Solution / Fix

Apache 'mod_proxy_balancer' Multiple Vulnerabilities

Solution:
The vendor released Apache 2.2.7-dev to address these issues. Please see the references for more information.

NOTE: Apache 2.2.7-dev is a development version.

Apache 2.2.9 is available and addresses the cross-site request-forgery issue.


Ubuntu Ubuntu Linux 7.10 powerpc

Ubuntu Ubuntu Linux 8.04 LTS powerpc

Ubuntu Ubuntu Linux 8.04 LTS sparc

Ubuntu Ubuntu Linux 6.06 LTS sparc

Ubuntu Ubuntu Linux 8.04 LTS amd64

Apache Apache 2.2.5-dev

Ubuntu Ubuntu Linux 7.10 sparc

Apache Apache 2.2.6-dev

Ubuntu Ubuntu Linux 6.06 LTS powerpc

HP HP-UX B.11.23

Ubuntu Ubuntu Linux 8.04 LTS lpia

Ubuntu Ubuntu Linux 7.10 lpia

Ubuntu Ubuntu Linux 6.06 LTS i386

Ubuntu Ubuntu Linux 7.10 i386

HP HP-UX B.11.11

Ubuntu Ubuntu Linux 6.06 LTS amd64

Ubuntu Ubuntu Linux 7.10 amd64

HP HP-UX B.11.31

Ubuntu Ubuntu Linux 8.04 LTS i386

Apple Mac OS X 10.5.2

Apple Mac OS X Server 10.5.2

Apple Mac OS X Server 10.5.5

Apache Apache 2.2

Apache Apache 2.2.2

Apache Apache 2.2.3

Apache Apache 2.2.4

Apache Apache 2.2.5

Apache Apache 2.2.6

References

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