CVE-2012-5263 in Flash Player
Summary
by MITRE
Adobe Flash Player before 10.3.183.29 and 11.x before 11.4.402.287 on Windows and Mac OS X, before 10.3.183.29 and 11.x before 11.2.202.243 on Linux, before 11.1.111.19 on Android 2.x and 3.x, and before 11.1.115.20 on Android 4.x; Adobe AIR before 3.4.0.2710; and Adobe AIR SDK before 3.4.0.2710 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than other Flash Player memory corruption CVEs listed in APSB12-22.
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Analysis
by VulDB Data Team • 04/14/2021
Adobe Flash Player versions prior to specific patched releases contain a critical memory corruption vulnerability that enables remote code execution and denial of service conditions across multiple platforms and operating systems. This vulnerability affects Flash Player versions 10.3.183.29 and earlier on Windows and Mac OS X, 10.3.183.29 and earlier on Linux, 11.4.402.287 and earlier on Windows and Mac OS X, 11.2.202.243 and earlier on Linux, 11.1.111.19 and earlier on Android 2.x and 3.x, 11.1.115.20 and earlier on Android 4.x, as well as Adobe AIR versions before 3.4.0.2710 and Adobe AIR SDK versions before 3.4.0.2710. The vulnerability stems from improper memory handling mechanisms within the Flash Player runtime environment, creating potential attack vectors through malformed input processing. This flaw represents a distinct memory corruption vulnerability separate from other Flash Player issues documented in Adobe Security Bulletins, specifically APSB12-22, indicating that attackers can leverage this weakness to execute arbitrary code on vulnerable systems or cause system instability through denial of service conditions. The technical nature of this vulnerability aligns with common weakness enumeration CWE-125, which describes out-of-bounds read conditions that can lead to memory corruption and arbitrary code execution. From an operational security perspective, this vulnerability presents significant risk to organizations as Flash Player remains widely deployed across enterprise environments and consumer devices, making exploitation relatively straightforward for threat actors. The attack surface extends across multiple platforms including desktop operating systems and mobile environments, amplifying the potential impact of successful exploitation. The vulnerability's classification under the ATT&CK framework would likely map to T1059.007 for command and scripting interpreter execution, and potentially T1203 for exploitation for privilege escalation. Organizations should prioritize immediate patching of affected systems as the memory corruption nature of this vulnerability could enable attackers to gain complete system compromise through carefully crafted malicious content. The vulnerability's presence in both desktop and mobile Flash implementations demonstrates the widespread nature of the security issue, requiring comprehensive remediation across all affected platforms. Security teams must implement network monitoring to detect exploitation attempts and ensure all Flash Player installations are updated to patched versions to mitigate the risk of arbitrary code execution and denial of service conditions.