SB2012101105 - Input validation error in ActiveState ActivePerl

Description

This security bulletin contains information about 1 security vulnerability.

1) Input validation error (CVE-ID: CVE-2012-5377)

The vulnerability allows a local #AU# to execute arbitrary code.

Untrusted search path vulnerability in the installation functionality in ActivePerl 5.16.1.1601, when installed in the top-level C: directory, allows local users to gain privileges via a Trojan horse DLL in the C:PerlSitein directory, which is added to the PATH system environment variable, as demonstrated by a Trojan horse wlbsctrl.dll file used by the "IKE and AuthIP IPsec Keying Modules" system service in Windows Vista SP1, Windows Server 2008 SP2, Windows 7 SP1, and Windows 8 Release Preview. Per: http://cwe.mitre.org/data/definitions/426.html 'CWE-426 Untrusted Search Path'

Remediation

Install update from vendor's website.

References

• http://osvdb.org/86177
• https://www.htbridge.com/advisory/HTB23108