Multiple Realtek HD Audio Codec Drivers IOCTL integer overflow

realtek-ioctl-overflow (42079)

High Risk

Description:

Multiple Realtek HD Audio Codec Drivers are vulnerable to an integer overflow, caused by improper bounds checking when handling IOCTL requests. By sending a specially-crafted IOCTL request, a local attacker could exploit this vulnerability to overflow a buffer and execute arbitrary code on the system.

*CVSS:

Base Score:	4.6
Access Vector:	Local
Access Complexity:	Low
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	3.4
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of Realtek HD Audio Codec Driver (6.0.1.5605 or later), available from the Realtek Web site. See References.

References:

• Realtek Web site: High Definition Audio Codecs.
• Wintercore Research:: Advisory W01-0408: RealTek HD Audio Codec Driver Local Privilege Escalation.
• BID-28909: Realtek HD Audio Codec Drivers for Windows Vista Multiple Local Privilege Escalation Vulnerabilities
• CVE-2008-1932: Integer overflow in Realtek HD Audio Codec Drivers RTKVHDA.sys and RTKVHDA64.sys before 6.0.1.5605 on Windows Vista allows local users to execute arbitrary code via a crafted IOCTL request.
• SA29953: Realtek HD Audio Codec Driver Vulnerabilities
• VUPEN/ADV-2008-1350: Realtek HD Audio Codec Driver Privilege Escalation Vulnerability

Platforms Affected:

• Realtek RTKVHDA.sys 6.0.1.5334
• Realtek RTKVHDA64.sys 6.0.1.5334

Reported:

Apr 23, 2008

The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

For corrections or additions please email xforce@iss.net

Return to the main page

* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

About IBM Internet Security Systems

IBM Internet Security Systems is a trusted security advisor to thousands of the world's leading businesses and governments, helping to provide pre-emptive protection for networks, desktops and servers. The IBM Proventia? integrated security platform is designed to automatically protect against both known and unknown threats, helping to keep networks up and running and shield customers from online attacks before they impact business assets. IBM Internet Security Systems products and services are based on the proactive security intelligence of its X-Force? research and development team ? an unequivocal world authority in vulnerability and threat research. The IBM Internet Security Systems product line is also complemented by comprehensive Managed Security Services and Professional Security Services. For more information, visit the IBM Internet Security Systems Web site at www.iss.net or call 800-776-2362.