TITLE:
PEAR Installer Arbitrary Code Execution Vulnerability

SECUNIA ADVISORY ID:
SA17563

VERIFY ADVISORY:
http://secunia.com/advisories/17563/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
PEAR 1.x
http://secunia.com/product/6128/

DESCRIPTION:
A vulnerability has been reported in PEAR, which can be exploited by
malicious people to bypass certain security restrictions.

The vulnerability is caused due to a design error in the PEAR
installer. This can be exploited by a package that is installed using
the PEAR installer to execute arbitrary PHP code when the "pear"
command is executed or the Web/Gtk frontend is loaded.

Successful exploitation requires that the user has installed a
malicious package using the PEAR installer, or installed a package
that depends on a malicious package.

The vulnerability has been reported in version 1.4.2 and prior.

SOLUTION:
Update to version 1.4.3 or later.
http://pear.php.net/package/PEAR/download/

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor.

ORIGINAL ADVISORY:
http://pear.php.net/advisory-20051104.txt

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