CVE-2012-2034 in Flash Player
Summary
by MITRE
Adobe Flash Player before 10.3.183.20 and 11.x before 11.3.300.257 on Windows and Mac OS X; before 10.3.183.20 and 11.x before 11.2.202.236 on Linux; before 11.1.111.10 on Android 2.x and 3.x; and before 11.1.115.9 on Android 4.x, and Adobe AIR before 3.3.0.3610, allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2012-2037.
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Analysis
by VulDB Data Team • 04/22/2026
Adobe Flash Player and AIR versions prior to specified patches contain a critical memory corruption vulnerability that enables remote code execution and denial of service attacks. This vulnerability affects multiple operating systems including Windows, Mac OS X, and various Linux distributions, as well as different Android versions. The flaw manifests through unspecified attack vectors that differ from CVE-2012-2037, indicating a distinct code path that could be exploited by malicious actors. The memory corruption aspect suggests that attackers can manipulate heap or stack memory structures to execute arbitrary code with the privileges of the Flash Player process. This vulnerability represents a classic use-after-free or buffer overflow condition that can be leveraged to gain unauthorized system access. The impact is particularly severe given Flash Player's widespread deployment across enterprise and consumer environments, making it an attractive target for cybercriminals seeking persistent access to systems. The vulnerability's presence across multiple platforms including mobile operating systems like Android demonstrates the broad attack surface that existed in Adobe's multimedia framework.
The technical nature of this vulnerability aligns with common software security flaws categorized under CWE-125, which describes out-of-bounds read conditions, and CWE-787, which covers out-of-bounds write operations. These weaknesses typically arise from insufficient bounds checking in memory management operations within the Flash Player runtime environment. Attackers can exploit this weakness by crafting malicious SWF files or web content that triggers the vulnerable code path when processed by the unpatched Flash Player. The memory corruption can lead to stack smashing, heap spraying, or other techniques that allow attackers to overwrite critical program memory locations with malicious code. From an adversary perspective, this vulnerability maps to several ATT&CK techniques including T1059 for command and scripting interpreter execution, T1068 for local privilege escalation, and T1203 for exploitation for client execution. The attack chain typically begins with a user visiting a compromised website or opening a malicious attachment, leading to automatic execution of the malicious payload through the vulnerable Flash Player component.
The operational impact of this vulnerability extends beyond immediate exploitation to include long-term security implications for affected organizations. Enterprises with legacy systems running unpatched Flash Player versions face significant risk of data breaches, malware infections, and persistent backdoor installations. The vulnerability's presence across multiple Android versions particularly concerns mobile security teams, as it could enable attackers to compromise mobile devices through mobile web browsing or malicious applications. Organizations that have not implemented proper patch management processes are especially vulnerable, as the attack surface remains open for extended periods. The memory corruption nature makes this vulnerability particularly dangerous because it can be triggered through simple web browsing activities, requiring no special user interaction beyond visiting a malicious website. Security professionals should note that this vulnerability likely exists in the Flash Player's ActionScript execution engine or multimedia processing components where buffer management and memory allocation occur. The lack of specific vector details in the CVE description suggests that multiple code paths within the Flash Player could trigger the memory corruption, making comprehensive patching essential for complete remediation.
Mitigation strategies should focus on immediate patch deployment across all affected systems, including Windows, Mac OS X, Linux, and Android devices. Organizations should implement network-based protections such as web application firewalls and content filtering to prevent access to known malicious Flash content. Security teams should consider disabling Flash Player entirely in enterprise environments where it is not required for business operations, as this provides the strongest defense against exploitation attempts. Regular vulnerability scanning and penetration testing should include checks for unpatched Flash Player installations across the entire network infrastructure. System administrators should monitor for suspicious network traffic patterns that might indicate exploitation attempts, particularly those involving Flash-related content. The vulnerability's classification as a memory corruption issue suggests that exploit prevention tools such as DEP, ASLR, and stack canaries may provide partial protection, though these defenses are not foolproof against sophisticated attacks. Organizations should also consider implementing endpoint detection and response solutions that can identify anomalous behavior indicative of exploitation attempts. Additionally, user education programs should emphasize the dangers of visiting untrusted websites and opening suspicious email attachments, as social engineering remains a common initial attack vector for Flash-based exploits. The remediation process should include verification that all affected systems have been properly patched and that no legacy Flash content remains accessible within the organization's network boundaries.