CVE-2016-0182 in Windows
Summary
by MITRE
Windows Journal in Microsoft Windows Vista SP2, Windows 7 SP1, Windows 8.1, Windows RT 8.1, and Windows 10 Gold and 1511 allows remote attackers to execute arbitrary code via a crafted Journal (aka .jnt) file, aka "Windows Journal Memory Corruption Vulnerability."
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Analysis
by VulDB Data Team • 11/03/2024
The vulnerability identified as CVE-2016-0182 represents a critical memory corruption flaw within Microsoft Windows Journal component that affects multiple operating system versions including Windows Vista SP2, Windows 7 SP1, Windows 8.1, Windows RT 8.1, and Windows 10. This vulnerability falls under the Common Weakness Enumeration category CWE-125, which describes out-of-bounds read conditions that can lead to memory corruption and arbitrary code execution. The flaw specifically resides in how Windows Journal processes maliciously crafted .jnt files, which are the native file format used by the Windows Journal application for storing handwritten notes and drawings.
The technical exploitation of this vulnerability occurs when a maliciously crafted Journal file is opened by the Windows Journal application, triggering a memory corruption condition that can be leveraged by remote attackers to execute arbitrary code with the privileges of the targeted user. The vulnerability stems from insufficient input validation and bounds checking within the Journal file parsing logic, allowing attackers to manipulate memory structures through specially crafted file content. This type of vulnerability is particularly dangerous as it can be delivered through various attack vectors including email attachments, malicious websites, or removable media, making it accessible to threat actors with minimal technical expertise.
The operational impact of CVE-2016-0182 extends beyond simple code execution, as successful exploitation can lead to complete system compromise and persistent access for attackers. According to the MITRE ATT&CK framework, this vulnerability maps to techniques involving execution through compromised applications and privilege escalation, as the initial code execution can be leveraged to gain higher system privileges. The vulnerability affects the core Windows operating system components and can be particularly devastating in enterprise environments where Windows Journal might be used for legitimate business purposes but could become a vector for sophisticated attacks. Organizations running affected versions of Windows are at risk of data breaches, system infiltration, and potential lateral movement within their networks.
Mitigation strategies for this vulnerability include immediate application of Microsoft security patches and updates, which address the underlying memory corruption issue through proper bounds checking and input validation. System administrators should also implement application whitelisting policies to prevent execution of untrusted Journal files, and consider disabling Windows Journal functionality entirely in environments where it is not required. Network segmentation and monitoring solutions should be deployed to detect suspicious file execution patterns, while regular security assessments should verify that all affected systems have been properly patched. The vulnerability highlights the importance of maintaining up-to-date security measures and demonstrates how legacy applications can pose significant risks when not properly maintained or updated with security patches.