CVE-2015-7634 in Flash Player
Summary
by MITRE
Adobe Flash Player before 18.0.0.252 and 19.x before 19.0.0.207 on Windows and OS X and before 11.2.202.535 on Linux, Adobe AIR before 19.0.0.213, Adobe AIR SDK before 19.0.0.213, and Adobe AIR SDK & Compiler before 19.0.0.213 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2015-7625, CVE-2015-7626, CVE-2015-7627, CVE-2015-7630, and CVE-2015-7633.
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Analysis
by VulDB Data Team • 06/21/2022
Adobe Flash Player and Adobe AIR suffered from a critical memory corruption vulnerability that enabled remote code execution and denial of service conditions across multiple platforms and versions. This vulnerability manifested in the form of unspecified attack vectors that differed from other related vulnerabilities in the same timeframe, indicating a distinct flaw in the software's memory management and code execution handling mechanisms. The affected versions spanned across major platform releases including Windows, OS X, and Linux operating systems, with specific version thresholds indicating the scope of impacted software.
The technical nature of this vulnerability stems from improper memory handling within the Flash Player and AIR runtime environments, creating conditions where attacker-controlled input could corrupt memory structures and potentially execute arbitrary code with the privileges of the affected application. This memory corruption issue represents a classic software security flaw that aligns with common weakness enumerations such as CWE-125, which describes out-of-bounds read conditions, and CWE-787, which covers out-of-bounds write conditions. The vulnerability's classification within the broader ATT&CK framework would likely map to techniques involving memory injection and code execution, specifically under the T1059.007 sub-technique for scripting and T1055 for process injection.
The operational impact of this vulnerability extends beyond simple exploitation scenarios, as it affected not just end-user systems but also development environments through the Adobe AIR SDK and Compiler components. This broad impact scope suggests that both enterprise networks and individual user systems were at risk, with potential for widespread compromise given Flash Player's ubiquity in web browsers and application environments. Organizations relying on Flash-based applications and content would face significant security risks, particularly in environments where legacy Flash content remained active and accessible.
Mitigation strategies for this vulnerability required immediate patching of all affected versions across platforms, with particular attention to the specific version thresholds mentioned in the vulnerability description. System administrators needed to prioritize deployment of Adobe's security updates, which would have included memory safety improvements and enhanced input validation mechanisms. Additionally, organizations should have considered implementing network segmentation and browser security controls to limit exposure, particularly for systems that could not immediately receive patches. The vulnerability's nature as a memory corruption issue also warranted enhanced monitoring for anomalous memory usage patterns and potential exploitation attempts, as these would be early indicators of successful exploitation attempts.