CVE-2017-8597 in Edge
Summary
by MITRE
Microsoft Edge in Microsoft Windows 10 Version 1703 allows an attacker to obtain information to further compromise the user's system, due to the way that Microsoft Edge handles objects in memory, aka "Microsoft Edge Information Disclosure Vulnerability". This CVE ID is unique from CVE-2017-8643 and CVE-2017-8648.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 01/11/2021
The vulnerability identified as CVE-2017-8597 represents a critical information disclosure flaw within Microsoft Edge browser that operates on Windows 10 Version 1703. This vulnerability stems from improper handling of objects in memory during the browser's operation, creating an avenue for attackers to extract sensitive information that could facilitate further compromise of the affected system. The flaw specifically manifests when Edge processes certain web content, leading to potential exposure of memory contents that should remain protected from unauthorized access.
This information disclosure vulnerability falls under the broader category of memory corruption issues that are commonly classified under CWE-200, which deals with exposure of sensitive information to an unauthorized actor. The technical implementation flaw occurs in Edge's memory management subsystem where objects are not properly sanitized or isolated during processing, allowing for potential information leakage. The vulnerability is particularly concerning because it operates at the browser level, where user interactions with web content can trigger the exploitation mechanism without requiring elevated privileges.
The operational impact of CVE-2017-8597 extends beyond simple information disclosure, as the leaked memory contents could potentially contain sensitive data such as cryptographic keys, session tokens, or other confidential information that could be leveraged by attackers to escalate privileges or conduct more sophisticated attacks. This vulnerability aligns with ATT&CK technique T1059.001 for command and scripting interpreter, where the information disclosure could provide attackers with the means to craft more targeted attacks against the system. The flaw demonstrates how browser-based vulnerabilities can serve as initial access vectors for broader compromise operations.
Mitigation strategies for this vulnerability should prioritize immediate patch deployment through Microsoft's regular security updates, as the primary fix involves correcting the memory handling procedures within Edge's rendering engine. Organizations should also implement network monitoring to detect unusual information leakage patterns and consider browser hardening measures such as disabling unnecessary features and implementing strict content security policies. The vulnerability highlights the importance of proper memory management practices and the need for robust sandboxing mechanisms that isolate browser processes from system resources to prevent unauthorized information access. Additionally, security teams should conduct regular vulnerability assessments focusing on browser security configurations and ensure that all endpoints are maintained with current security patches to prevent exploitation of similar memory-related vulnerabilities.