Vulnerability Note VU#410025

Microsoft Windows LSASS privilege escalation vulnerability

Overview

The Windows LSASS service contains privilege escalation vulnerability.

I. Description

The Windows Local Security Authority Subsystem Service (LSASS) is a process that enforces the local security policy.

Per Microsoft Security Bulletin MS08-002:

An elevation of privilege vulnerability exists in the Microsoft Windows Local Security Authority Subsystem Service (LSASS) due to its improper handling of local procedure call (LPC) requests. The vulnerability could allow an attacker to run code with elevated privileges. An attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

II. Impact

A local, authenticated attacker may be able gain elevated privileges or execute programs in the context of a different user.

III. Solution

Update

Microsoft has released an update to address this issue. See Microsoft Security Bulletin MS08-002 for more information.

Systems Affected

Vendor	Status	Date Notified	Date Updated
Microsoft Corporation	Vulnerable	8-Jan-2008

References

http://www.microsoft.com/technet/security/bulletin/ms08-002.mspx
http://msdn2.microsoft.com/en-us/library/ms789550.aspx
http://secunia.com/advisories/28341/

Credit

Microsoft credits Thomas Garnier of SkyRecon for reporting this vulnerability.

This document was written by Ryan Giobbi.

Other Information

Date Public:	2008-01-08
Date First Published:	2008-01-08
Date Last Updated:	2008-01-08
CERT Advisory:
CVE-ID(s):	CVE-2007-5352
NVD-ID(s):	CVE-2007-5352
US-CERT Technical Alerts:
Metric:	1.50
Document Revision:	12

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Produced 2008 by US-CERT, a government organization
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