CVE-2015-6153 in Edge
Summary
by MITRE
Microsoft Internet Explorer 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-2015-6140, CVE-2015-6142, CVE-2015-6143, CVE-2015-6158, CVE-2015-6159, and CVE-2015-6160.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 06/29/2022
This vulnerability represents a critical memory corruption flaw affecting Microsoft Internet Explorer 11 and Microsoft Edge browsers, exposing users to potential remote code execution or denial of service attacks through maliciously crafted web content. The vulnerability stems from improper handling of memory operations within the browser's rendering engine, specifically when processing specially crafted web pages that trigger buffer overflows or use-after-free conditions in memory management routines. Attackers can exploit this weakness by hosting malicious websites that, when loaded in the affected browsers, cause the memory corruption to occur during normal browsing operations. The flaw operates at the core level of browser functionality, making it particularly dangerous as it can be leveraged to bypass security boundaries and execute arbitrary code with the privileges of the compromised browser process. This vulnerability is distinct from several other related issues including CVE-2015-6140, CVE-2015-6142, CVE-2015-6143, CVE-2015-6158, CVE-2015-6159, and CVE-2015-6160, indicating a unique code path or memory handling pattern that requires specific mitigation approaches. The technical nature of this vulnerability aligns with CWE-121, heap-based buffer overflow, and CWE-122, stack-based buffer overflow, while also exhibiting characteristics consistent with CWE-416, use after free, and CWE-787, out of bounds write. From an operational perspective, this vulnerability presents significant risk to enterprise environments where users may inadvertently navigate to compromised websites or receive malicious links through phishing campaigns. The attack surface is broad as it affects both Internet Explorer 11 and Edge browsers, covering a substantial portion of the Microsoft browser ecosystem and potentially impacting users across various Windows versions. Organizations should consider this vulnerability as a high-priority threat that could enable attackers to establish persistent access to systems, escalate privileges, or deploy additional malware payloads. The memory corruption aspect means that successful exploitation could result in system instability, crashes, or complete system compromise depending on the execution context and available privileges. This vulnerability directly maps to several ATT&CK techniques including T1203, Exploitation for Client Execution, T1059, Command and Scripting Interpreter, and T1068, Exploitation for Privilege Escalation, making it a multi-faceted threat that can be leveraged for various attack objectives. The remediation strategy should include immediate deployment of Microsoft security updates, browser hardening measures, network-based protections, and user education to reduce exposure to malicious websites. Additionally, organizations should implement monitoring for suspicious browser behavior and network traffic patterns that might indicate exploitation attempts, while also considering browser isolation techniques for high-risk environments. The vulnerability's classification as a remote code execution flaw underscores the critical importance of timely patch management and layered security approaches to protect against sophisticated adversaries who may actively target these specific browser versions.