Secunia Security Advisory - shinnai has discovered a vulnerability in PHP, which can be exploited by malicious, local users to bypass certain access restrictions.
07b4b57ac5b3e3cfc0180ad03afc5e69026a53ba3de9100f1d419f3195598f9d
----------------------------------------------------------------------
Try a new way to discover vulnerabilities that ALREADY EXIST in your
IT infrastructure.
The Secunia NSI enables you to INSPECT, DISCOVER, and DOCUMENT
vulnerabilities in more than 4,700 different Windows applications.
Request your account, the Secunia Network Software Inspector (NSI):
http://secunia.com/network_software_inspector/
----------------------------------------------------------------------
TITLE:
PHP COM Objects Security Bypass
SECUNIA ADVISORY ID:
SA27280
VERIFY ADVISORY:
http://secunia.com/advisories/27280/
CRITICAL:
Not critical
IMPACT:
Security Bypass
WHERE:
Local system
SOFTWARE:
PHP 5.2.x
http://secunia.com/product/13446/
PHP 5.0.x
http://secunia.com/product/3919/
PHP 5.1.x
http://secunia.com/product/6796/
DESCRIPTION:
shinnai has discovered a vulnerability in PHP, which can be exploited
by malicious, local users to bypass certain access restrictions.
The vulnerability is caused due to PHP incorrectly enforcing access
restrictions when handling COM objects. This can be exploited to
bypass certain security restrictions (e.g. the "safe_mode" directive)
by directly invoking COM methods.
The vulnerability is confirmed in PHP 5.2.4 for Windows. Other
Windows versions may also be affected.
SOLUTION:
Grant only trusted users permissions to execute PHP code.
PROVIDED AND/OR DISCOVERED BY:
shinnai
ORIGINAL ADVISORY:
http://milw0rm.com/exploits/4553
----------------------------------------------------------------------
About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.
Subscribe:
http://secunia.com/secunia_security_advisories/
Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/
Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.
----------------------------------------------------------------------