CVE-2016-0110 in Edge
Summary
by MITRE
Microsoft Internet Explorer 10 through 11 and Microsoft Edge allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Microsoft Browser Memory Corruption Vulnerability."
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Analysis
by VulDB Data Team • 07/09/2022
This vulnerability represents a critical memory corruption flaw affecting Microsoft Internet Explorer versions 10 through 11 and Microsoft Edge browsers. The issue stems from improper handling of memory operations during web page rendering, specifically when processing malformed or crafted web content. Attackers can exploit this vulnerability by hosting malicious web content that triggers memory corruption conditions in the browser's rendering engine, potentially leading to arbitrary code execution or system crashes. The vulnerability falls under the category of heap-based buffer overflows and memory corruption issues that are commonly classified as CWE-121, heap-based buffer overflow, or CWE-122, stack-based buffer overflow, depending on the specific memory manipulation pattern. From an operational perspective, this vulnerability poses significant risk to enterprise environments where users may inadvertently visit compromised websites or receive malicious emails containing links to exploit code. The attack surface is broad as it affects multiple browser versions and operating systems, making it particularly dangerous for organizations with diverse browser usage patterns. The vulnerability is particularly concerning because it operates at the browser level, allowing attackers to bypass traditional network security controls and directly target user endpoints. The exploitation typically involves crafting malicious web pages that leverage specific memory layout conditions to execute malicious code within the browser's memory space. This aligns with ATT&CK technique T1203, "Exploitation for Client Execution," where adversaries use browser vulnerabilities to execute code on target systems. The memory corruption occurs when the browser's JavaScript engine or rendering components fail to properly validate memory allocations or handle object references, creating opportunities for attackers to manipulate memory contents. Organizations should consider implementing browser hardening measures including disabling unnecessary browser features, implementing strict content security policies, and deploying web application firewalls to mitigate potential exploitation attempts. The vulnerability demonstrates the persistent challenges in browser security and the need for continuous security updates and user education regarding safe browsing practices. Microsoft addressed this vulnerability through security updates that corrected memory handling procedures and implemented additional validation checks in the browser's rendering components, emphasizing the importance of timely patch management in defending against zero-day exploits.