PHP Session_Decode Double Free Memory Corruption Vulnerability

BID:23121

Info

PHP Session_Decode Double Free Memory Corruption Vulnerability

Bugtraq ID: 23121
Class: Design Error
CVE: CVE-2007-1711
Remote: No
Local: Yes
Published: Mar 25 2007 12:00AM
Updated: Aug 01 2007 09:25PM
Credit: Stefan Esser is credited with the discovery of this vulnerability.
Vulnerable: Turbolinux Turbolinux Server 10.0 x86
Turbolinux Turbolinux Server 10.0
Turbolinux Turbolinux Desktop 10.0
Turbolinux Turbolinux 10 F...
TurboLinux Personal
TurboLinux Multimedia
Turbolinux Home
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
TransSoft Broker FTP Server 8.0
SGI ProPack 3.0 SP6
rPath rPath Linux 1
Redhat Stronghold for Enterprise Linux 0
Redhat Enterprise Linux WS 4
Redhat Enterprise Linux WS 3
Redhat Enterprise Linux WS 2.1 IA64
Redhat Enterprise Linux WS 2.1
Redhat Enterprise Linux ES 4
Redhat Enterprise Linux ES 3
Redhat Enterprise Linux ES 2.1 IA64
Redhat Enterprise Linux ES 2.1
Redhat Enterprise Linux AS 4
Redhat Enterprise Linux AS 3
Redhat Enterprise Linux AS 2.1 IA64
Redhat Enterprise Linux AS 2.1
Redhat Desktop 4.0
Redhat Desktop 3.0
Redhat Advanced Workstation for the Itanium Processor 2.1 IA64
Redhat Advanced Workstation for the Itanium Processor 2.1
PHP PHP 4.4.6
PHP PHP 4.4.5
MandrakeSoft Multi Network Firewall 2.0
MandrakeSoft Corporate Server 4.0 x86_64
MandrakeSoft Corporate Server 3.0 x86_64
MandrakeSoft Corporate Server 3.0
MandrakeSoft Corporate Server 4.0
Gentoo Linux
Debian Linux 3.1 sparc
Debian Linux 3.1 s/390
Debian Linux 3.1 ppc
Debian Linux 3.1 mipsel
Debian Linux 3.1 mips
Debian Linux 3.1 m68k
Debian Linux 3.1 ia-64
Debian Linux 3.1 ia-32
Debian Linux 3.1 hppa
Debian Linux 3.1 arm
Debian Linux 3.1 amd64
Debian Linux 3.1 alpha
Debian Linux 3.1
Debian Linux 4.0 sparc
Debian Linux 4.0 s/390
Debian Linux 4.0 powerpc
Debian Linux 4.0 mipsel
Debian Linux 4.0 mips
Debian Linux 4.0 m68k
Debian Linux 4.0 ia-64
Debian Linux 4.0 ia-32
Debian Linux 4.0 hppa
Debian Linux 4.0 arm
Debian Linux 4.0 amd64
Debian Linux 4.0 alpha
Debian Linux 4.0
Apple Mac OS X Server 10.4.10
Apple Mac OS X Server 10.3.9
Apple Mac OS X 10.4.10
Apple Mac OS X 10.3.9
Not Vulnerable:

Discussion

PHP Session_Decode Double Free Memory Corruption Vulnerability

PHP is prone to a double-free memory-corruption vulnerability.

Attackers may be able to exploit this issue to execute arbitrary code in the context of the webserver process or to cause denial-of-service conditions.

This issue is proven to be locally exploitable. Remote attack vectors may also be possible, but this is yet to be confirmed.

This issue affects PHP versions 4.4.5 and 4.4.6.

Exploit / POC

PHP Session_Decode Double Free Memory Corruption Vulnerability

The following proof of concept is available:

Solution / Fix

PHP Session_Decode Double Free Memory Corruption Vulnerability

Solution:
Please see the references for more information.


Apple Mac OS X Server 10.3.9

Apple Mac OS X 10.3.9

Apple Mac OS X 10.4.10

Apple Mac OS X Server 10.4.10

References

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