CVE-2014-0282 in Internet Explorer
Summary
by MITRE
Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability," a different vulnerability than CVE-2014-1775, CVE-2014-1779, CVE-2014-1799, CVE-2014-1803, and CVE-2014-2757.
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Analysis
by VulDB Data Team • 07/22/2025
This vulnerability represents a critical memory corruption flaw in Microsoft Internet Explorer spanning versions 6 through 11, classified under CWE-125 as out-of-bounds read conditions that can lead to arbitrary code execution. The vulnerability arises from improper handling of memory operations when processing crafted web content, specifically affecting the browser's rendering engine and memory management subsystems. Attackers can exploit this weakness by hosting malicious web pages that trigger memory corruption during normal browsing operations, potentially leading to complete system compromise through remote code execution.
The technical implementation of this vulnerability involves manipulating memory structures within Internet Explorer's JavaScript engine and rendering components, where buffer overflows or use-after-free conditions occur when parsing malformed HTML or JavaScript content. This flaw operates at the kernel level memory management, making it particularly dangerous as it can bypass standard security mitigations and allow attackers to execute malicious code with the privileges of the logged-in user. The vulnerability's exploitation requires no user interaction beyond visiting a malicious website, making it highly dangerous for enterprise environments where users may inadvertently encounter compromised web content.
The operational impact of CVE-2014-0282 extends beyond simple denial of service scenarios to encompass complete system compromise and data exfiltration capabilities. Organizations running affected Internet Explorer versions face significant risk exposure as attackers can leverage this vulnerability to establish persistent backdoors, deploy malware payloads, or conduct advanced persistent threat operations. The vulnerability's presence in such widely deployed browser versions means that even organizations with robust security measures may be vulnerable if users continue to access unpatched systems. This particular flaw demonstrates the ongoing challenges with legacy browser support and the difficulty of maintaining security in complex software ecosystems where multiple components interact in potentially dangerous ways.
Mitigation strategies should focus on immediate patch deployment for all affected Internet Explorer versions, alongside network-level protections such as web application firewalls and content filtering solutions. Organizations should implement browser hardening measures including disabling unnecessary browser features, implementing strict content security policies, and utilizing sandboxing technologies to limit potential damage. The vulnerability aligns with ATT&CK technique T1203 for exploitation for execution and T1059 for command and scripting interpreter usage, highlighting the need for comprehensive endpoint detection and response capabilities. Security teams must also consider implementing user education programs to reduce the likelihood of accidental exposure to malicious web content while maintaining awareness of the persistent threat landscape that includes similar vulnerabilities in older browser versions.