CVE-2011-2127 in Shockwave Player
Summary
by MITRE
Adobe Shockwave Player before 11.6.0.626 allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2011-2114, CVE-2011-2117, CVE-2011-2124, and CVE-2011-2128.
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Analysis
by VulDB Data Team • 01/19/2025
Adobe Shockwave Player version 11.6.0.626 and earlier contains a memory corruption vulnerability that enables remote code execution or denial of service attacks through unspecified attack vectors. This vulnerability represents a distinct security flaw from other related CVEs affecting the same product family, indicating that multiple memory corruption issues exist within the Shockwave Player codebase. The vulnerability stems from improper handling of malformed input data during the processing of Shockwave content, which can lead to buffer overflows or heap corruption conditions. Attackers can exploit this weakness by crafting malicious Shockwave files or web content that, when loaded by an affected player version, triggers memory corruption during parsing operations. The memory corruption occurs at runtime when the player attempts to process specially crafted data structures that exceed allocated memory boundaries or manipulate memory pointers incorrectly. This type of vulnerability typically falls under CWE-121, heap-based buffer overflow, or CWE-122, stack-based buffer overflow, depending on the specific memory corruption mechanism exploited. The attack surface includes web browsers and standalone Shockwave player applications that process Shockwave content, making it particularly dangerous as users may encounter malicious content through web browsing or embedded media in documents. The vulnerability's impact ranges from arbitrary code execution on the target system to complete denial of service conditions where the player crashes or becomes unresponsive. The exploitation requires no user interaction beyond visiting a malicious website or opening a compromised Shockwave file, making it particularly dangerous in phishing campaigns or drive-by download attacks. Organizations running affected versions of Shockwave Player face significant risk of compromise, as the vulnerability can be leveraged to install malware, steal sensitive information, or disrupt business operations through service disruption. This vulnerability also aligns with ATT&CK technique T1203, Exploitation for Client Execution, as it enables attackers to execute malicious code on target systems through the Shockwave player application. The memory corruption aspect of this vulnerability can be particularly challenging to detect and prevent, as it may not always manifest immediately upon exploitation and could be triggered by specific data patterns or environmental conditions. Security researchers have noted that such vulnerabilities often persist in multimedia player applications due to the complex nature of processing rich media content and the extensive use of low-level memory operations. The lack of specific vector details in the CVE description suggests that multiple attack paths may exist, potentially including memory corruption through malformed Shockwave files, corrupted network streams, or manipulated embedded content within web pages. Organizations should prioritize immediate patching of this vulnerability to prevent potential exploitation and maintain system integrity.
The vulnerability's classification as a memory corruption issue places it within the broader category of software security flaws that have historically been among the most dangerous and frequently exploited types of vulnerabilities. Memory corruption vulnerabilities represent a critical threat vector because they can provide attackers with complete control over affected systems when successfully exploited. The fact that this vulnerability exists in a widely deployed multimedia player application like Shockwave makes it particularly attractive to threat actors seeking to conduct large-scale attacks. The specific version affected, prior to 11.6.0.626, indicates that Adobe had already identified and addressed other similar issues in the product line, suggesting that this particular vulnerability was a distinct and separate issue that required individual attention. The absence of user interaction requirements for exploitation means that this vulnerability could be leveraged in automated attack scenarios, potentially leading to widespread compromise across organizations that have not yet updated their Shockwave installations. The vulnerability's relationship to other CVEs in the same product family indicates that Adobe's Shockwave Player had multiple memory corruption issues that needed to be addressed through comprehensive security updates. This pattern of multiple vulnerabilities in a single product line often suggests deeper architectural issues or insufficient input validation mechanisms within the software. The exploitation of such vulnerabilities typically requires a deep understanding of the target application's memory management and parsing routines, making them suitable for advanced persistent threat campaigns. Organizations should consider implementing network-based protections and content filtering measures to reduce exposure while awaiting patch deployment, particularly in environments where Shockwave content is frequently encountered. The vulnerability's potential for denial of service also means that attackers could use it to disrupt legitimate business operations, making it a concern not just for data security but also for business continuity and availability.
Mitigation strategies for this vulnerability should include immediate patch deployment to all affected systems running Shockwave Player versions prior to 11.6.0.626. Organizations should also implement network segmentation and content filtering measures to prevent access to potentially malicious Shockwave content, particularly in high-risk environments such as financial institutions or government agencies. Security monitoring should be enhanced to detect unusual network traffic patterns or application behavior that might indicate exploitation attempts. The vulnerability's nature suggests that regular security assessments and penetration testing should be conducted to identify potential exploitation vectors and ensure that all related security patches have been properly applied. System administrators should also consider disabling Shockwave Player functionality where it is not strictly required for business operations, reducing the attack surface available to potential attackers. The vulnerability's characteristics align with the need for robust input validation and memory safety practices, which should be integrated into all future development efforts for multimedia applications. Security teams should maintain detailed logs of Shockwave player usage and monitor for any unusual activity that might indicate exploitation attempts. The vulnerability's potential for remote code execution means that organizations should also consider implementing endpoint protection solutions that can detect and block malicious Shockwave content. Regular security awareness training should be provided to users to help them recognize potentially malicious content and avoid visiting compromised websites. The exploitation of this vulnerability could also indicate broader security issues within the organization's overall security posture, warranting a comprehensive review of security controls and incident response procedures. Organizations should also consider implementing automated patch management systems to ensure that all security updates are deployed promptly and consistently across all systems. The vulnerability's persistence in older versions of the software highlights the importance of maintaining up-to-date security patches and avoiding the use of deprecated software components in enterprise environments.