CVE-2013-1344 in Windows
Summary
by MITRE
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT allows local users to gain privileges via a crafted application, aka "Win32k Multiple Fetch Vulnerability," a different vulnerability than CVE-2013-1342, CVE-2013-1343, CVE-2013-3864, and CVE-2013-3865.
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Analysis
by VulDB Data Team • 05/24/2021
The vulnerability identified as CVE-2013-1344 represents a critical privilege escalation flaw within the Windows kernel-mode driver component win32k.sys. This vulnerability affects multiple versions of the Windows operating system including legacy versions like Windows xp and server 2003, as well as more recent releases such as windows 7, 8, and their respective server editions. The flaw resides in the kernel-mode drivers that handle graphics and user interface operations, specifically within the win32k.sys module which manages windowing system functionality. The vulnerability is categorized under the Common Weakness Enumeration as a multiple fetch vulnerability, indicating that the flaw involves accessing memory locations multiple times in a manner that can lead to privilege escalation.
The technical implementation of this vulnerability stems from improper handling of memory access patterns within the win32k.sys driver when processing certain graphics operations. Attackers can exploit this weakness by crafting a malicious application that triggers specific sequences of operations within the kernel space. The vulnerability allows local users to execute code with elevated privileges, effectively bypassing the normal security boundaries that separate user-mode applications from kernel-mode operations. This particular flaw is distinct from other vulnerabilities in the same vulnerability family such as CVE-2013-1342, CVE-2013-1343, CVE-2013-3864, and CVE-2013-3865, each representing different attack vectors targeting the same kernel component but with varying exploitation techniques.
The operational impact of CVE-2013-1344 is severe and far-reaching across enterprise environments, as it provides a pathway for attackers to escalate privileges from standard user accounts to system-level administrative access. Once successfully exploited, this vulnerability enables attackers to execute arbitrary code with the highest privileges available on the system, potentially allowing them to install malware, modify system files, create new user accounts, or disable security mechanisms. The vulnerability is particularly dangerous in enterprise settings where local access might be obtained through social engineering, phishing attacks, or compromised accounts, as it can be leveraged to establish persistent access and control over affected systems. This privilege escalation capability aligns with the attack techniques documented in the mitre attack framework under privilege escalation tactics, specifically targeting kernel-mode exploitation methods.
Mitigation strategies for CVE-2013-1344 primarily focus on applying the official microsoft security updates that address the underlying vulnerability in win32k.sys. Organizations should prioritize immediate deployment of the relevant patches for all affected windows versions, as the vulnerability has been widely documented and exploited in the wild. Additionally, system administrators should implement defensive measures such as disabling unnecessary graphics functionality, restricting local user privileges, and monitoring for suspicious process behavior that might indicate exploitation attempts. The vulnerability demonstrates the importance of maintaining up-to-date security patches and implementing layered security approaches, as the exploitation of kernel-mode vulnerabilities like this one can have catastrophic consequences for system integrity and network security. Organizations should also consider implementing application whitelisting policies and monitoring for unusual kernel-mode activity that could indicate attempts to exploit this or similar vulnerabilities.