CVE-2018-0741 in Windows
Summary
by MITRE
The Color Management Module (Icm32.dll) in Windows 7 SP1 and Windows Server 2008 SP2 and R2 SP1 allows an information disclosure vulnerability due to the way objects are handled in memory, aka "Microsoft Color Management Information Disclosure Vulnerability".
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Analysis
by VulDB Data Team • 01/28/2021
The vulnerability identified as CVE-2018-0741 resides within the Color Management Module component of Microsoft Windows operating systems, specifically affecting Windows 7 Service Pack 1 and Windows Server 2008 Service Pack 2 along with Windows Server 2008 R2 Service Pack 1. This issue manifests through the Icm32.dll library which handles color management operations and device profile management. The flaw represents a critical information disclosure vulnerability that stems from improper memory handling during object processing, creating potential exposure of sensitive data that should remain protected within system memory boundaries.
The technical root cause of this vulnerability lies in how the Color Management Module processes and manages memory objects during color profile operations. When the system processes color management data through Icm32.dll, certain memory objects are not properly validated or sanitized before being accessed or manipulated, leading to potential information leakage. This memory handling flaw allows an attacker to potentially extract sensitive information from the system's memory space, including potentially confidential data that should not be accessible to unauthorized processes. The vulnerability specifically impacts the way color management objects are allocated, processed, and deallocated within the memory architecture, creating exploitable conditions that can be leveraged for information disclosure attacks.
The operational impact of this vulnerability extends across multiple attack vectors and system configurations. An attacker could potentially exploit this weakness to gain access to memory contents that might contain user credentials, system configurations, or other sensitive data that could be used for further exploitation. The vulnerability affects both desktop and server environments, making it particularly concerning for enterprise environments where Windows Server 2008 systems may still be operational. This information disclosure capability can serve as a stepping stone for more sophisticated attacks, potentially enabling privilege escalation or lateral movement within compromised networks. The vulnerability's impact is further amplified by the fact that color management operations are frequently used during normal system operations, making exploitation more likely and harder to detect.
Security professionals should implement immediate mitigations including applying the relevant Microsoft security updates that address this specific vulnerability through proper memory handling procedures and object validation. Organizations should also consider implementing network segmentation and monitoring to detect potential exploitation attempts targeting this vulnerability. The weakness aligns with CWE-200, which describes improper information exposure, and represents a classic example of how memory corruption vulnerabilities can lead to information disclosure. From an ATT&CK framework perspective, this vulnerability could be leveraged for initial access or privilege escalation activities, particularly when combined with other exploitation techniques. System administrators should prioritize patch management and ensure that all Windows systems are updated to prevent exploitation of this memory handling weakness that could compromise system integrity and data confidentiality.