CERT-In Vulnerability Note
CIVN-2015-0281
Microsoft Windows Winsock Elevation of Privilege Vulnerability
Original Issue Date:November 12, 2015
Severity Rating: MEDIUM
Software Affected
- Microsoft Windows Vista SP2 for 32-bit and x64 Edition
- Microsoft Windows Server 2008 SP2 for 32-bit, X64-based and Itanium-based Systems
- Microsoft Windows Server 2008 R2 for X64-based and Itanium-based Systems
- Microsoft Windows RT
- Microsoft Windows RT 8.1
- Microsoft Windows 7 SP1 for 32-bit and X64-based Systems
- Microsoft Windows 8 for 32-bit and X64-based Systems
- Microsoft Windows 8.1 for 32-bit and X64-based Systems
- Microsoft Windows 10 for 32-bit and x64-based Systems
- Microsoft Windows 10 version 1511 for 32-bit and X64-based Systems
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 R2
Overview
A privilege escalation vulnerability has been reported in Windows Winsock which could be exploited by a remote attacker to gain elevated privileges on the target system.
Description
This vulnerability exists due to improper validation of memory address by the Winsock API. A remote attacker could exploit this vulnerability by logging into the target system and run a specially crafted code designed to elevate the privileges on the target system.
Successful exploitation of this vulnerability could lead to execution of arbitrary code with the privileges of the current user, which could be used to conduct further attacks.
Solution
Apply appropriate patches as mentioned in Microsoft Security Bulletin
MS15-119
Vendor Information
Microsoft
https://technet.microsoft.com/en-us/library/security/ms15-119.aspx
References
Microsoft
https://technet.microsoft.com/en-us/library/security/ms15-119.aspx
Cisco
http://tools.cisco.com/security/center/viewAlert.x?alertId=41865
Symantec
http://www.symantec.com/security_response/vulnerability.jsp?bid=77478&om_rssid=sr-advisories
CVE Name
CVE-2015-2478
Disclaimer
The information provided herein is on "as is" basis, without warranty of any kind.
Contact Information
Email: info@cert-in.org.in Phone: +91-11-24368572
Postal address
Indian Computer Emergency Response Team (CERT-In)
Ministry of Electronics and Information Technology
Government of India
Electronics Niketan
6, CGO Complex, Lodhi Road,
New Delhi - 110 003
India
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