CVE-2015-6078 in Edge
Summary
by MITRE
Microsoft Internet Explorer 9 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," a different vulnerability than CVE-2015-6065.
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Analysis
by VulDB Data Team • 06/27/2022
The vulnerability identified as CVE-2015-6078 represents a critical memory corruption flaw affecting Microsoft Internet Explorer versions 9 through 11 and Microsoft Edge browsers. This vulnerability falls under the broader category of browser-based exploits that target memory management mechanisms within web browsers, specifically exploiting how these applications handle memory allocation and deallocation during web page rendering processes. The flaw enables remote attackers to execute arbitrary code on affected systems or cause denial of service conditions through the manipulation of memory structures within the browser's execution environment.
The technical implementation of this vulnerability stems from improper handling of memory operations during web page processing, particularly when dealing with complex JavaScript objects and memory references. Attackers can craft malicious web pages that trigger specific memory corruption scenarios, leading to unpredictable behavior where the browser's memory management system becomes compromised. This type of vulnerability is classified as a memory corruption vulnerability under CWE-122, which specifically addresses improper restriction of operations within the memory management system. The exploitation occurs when the browser attempts to process specially crafted content that causes memory to be allocated, accessed, or freed in ways that violate the application's intended memory management protocols, ultimately leading to code execution privileges or system instability.
The operational impact of CVE-2015-6078 extends beyond simple code execution to encompass significant security risks for enterprise and individual users alike. When successfully exploited, this vulnerability allows attackers to bypass traditional security controls and gain unauthorized access to systems, potentially leading to complete system compromise. The vulnerability's remote exploitation capability means that users need only visit a malicious website to be compromised, making it particularly dangerous in phishing campaigns or compromised website scenarios. From an adversary perspective, this vulnerability aligns with ATT&CK technique T1059.007 for command and script interpreter and T1203 for exploitation for client execution, providing attackers with a powerful vector for initial access and subsequent system control.
Mitigation strategies for this vulnerability require immediate patch deployment from Microsoft, as the primary defense against this memory corruption issue. Organizations should implement comprehensive browser security policies that include disabling unnecessary browser features, implementing content security policies, and utilizing sandboxing technologies to limit potential damage from successful exploitation attempts. Network-based protections such as web application firewalls and intrusion detection systems can help identify and block malicious traffic patterns associated with exploitation attempts. Additionally, user education regarding safe browsing practices and awareness of phishing techniques remains crucial since this vulnerability can be exploited through social engineering campaigns that direct users to malicious websites. The vulnerability's classification as a memory corruption issue underscores the importance of memory safety mechanisms and proper input validation in browser security architectures, making it essential for organizations to maintain updated security practices and monitoring systems to detect potential exploitation attempts.