CVE-2015-0081 in Windows
Summary
by MITRE
Windows Text Services (WTS) in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via a crafted (1) web site or (2) file, aka "WTS Remote Code Execution Vulnerability."
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Analysis
by VulDB Data Team • 05/25/2025
The CVE-2015-0081 vulnerability represents a critical remote code execution flaw within the Windows Text Services component that affects multiple versions of the microsoft windows operating system. This vulnerability resides in the Windows Text Services framework which handles text input processing and language services for various applications. The flaw specifically impacts the way the system processes certain text formatting and input operations, creating an exploitable condition that allows attackers to execute malicious code with the privileges of the target system. The vulnerability was particularly concerning because it affected both server and client operating systems, including windows server 2003 through windows 8.1, making it a widespread concern across enterprise environments.
The technical nature of this vulnerability stems from improper input validation and memory handling within the Windows Text Services component. When processing specially crafted text input through web pages or malicious files, the system fails to properly validate the data structure, leading to buffer overflow conditions or other memory corruption issues. This allows attackers to manipulate the execution flow of the target application or system services. The vulnerability specifically affects the text services framework that handles various input methods including keyboard input, clipboard operations, and text rendering processes. According to the common weakness enumeration standards, this vulnerability maps to cwe-121 which describes heap-based buffer overflow conditions, and cwe-125 which covers out-of-bounds read vulnerabilities.
The operational impact of CVE-2015-0081 extends beyond simple remote code execution as it provides attackers with potential persistence mechanisms within affected systems. Attackers can leverage this vulnerability to deploy malware, establish backdoors, or escalate privileges to system level access. The attack vectors are particularly dangerous as they can be delivered through web browsers or by enticing users to open malicious files, making them difficult to defend against through traditional network perimeter security measures. Organizations running affected systems face significant risk of unauthorized access, data breaches, and potential lateral movement within their networks. The vulnerability's exploitation does not require user interaction beyond visiting a malicious website or opening a crafted file, which makes it particularly dangerous in enterprise environments where users may inadvertently encounter such content.
Mitigation strategies for CVE-2015-0081 should include immediate installation of microsoft security patches and updates released in march 2015 as part of the microsoft security bulletin ms15-020. organizations should also implement network segmentation and application whitelisting to limit the potential impact of successful exploitation attempts. the attack technique aligns with several tactics described in the attack framework including initial access through malicious websites and execution of malicious code, which can be mitigated through proper web filtering and endpoint protection measures. additional defensive measures include monitoring for unusual text processing activities, implementing strict file execution policies, and maintaining current threat intelligence feeds to detect exploitation attempts. security teams should also consider implementing network-based intrusion detection systems to identify potential exploitation attempts targeting this vulnerability, as the attack pattern involves predictable network traffic patterns that can be detected through proper monitoring protocols.