CVE-2017-3078 in Flash Player
Summary
by MITRE
Adobe Flash Player versions 25.0.0.171 and earlier have an exploitable memory corruption vulnerability in the Adobe Texture Format (ATF) module. Successful exploitation could lead to arbitrary code execution.
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Analysis
by VulDB Data Team • 01/26/2025
Adobe Flash Player versions 25.0.0.171 and earlier contain a critical memory corruption vulnerability within the Adobe Texture Format ATF module that presents significant security risks to affected systems. This vulnerability falls under the category of memory safety issues and represents a severe threat vector that attackers can exploit to gain unauthorized access to target systems. The ATF module is responsible for processing texture formats used in Flash applications, and the memory corruption occurs during the parsing of malformed ATF files. This particular flaw enables attackers to manipulate memory structures in ways that can bypass standard security mechanisms and execute malicious code with the privileges of the Flash Player process.
The technical nature of this vulnerability stems from improper memory handling within the ATF parser implementation, creating opportunities for buffer overflows or other memory corruption conditions. Attackers can craft specially designed ATF files that, when processed by the vulnerable Flash Player, trigger memory corruption that allows arbitrary code execution. This type of vulnerability aligns with CWE-121, which addresses stack-based buffer overflow conditions, and CWE-122, which covers heap-based buffer overflow scenarios. The exploitation process typically involves crafting malicious ATF content that causes the Flash Player to allocate insufficient memory for processing texture data, leading to memory corruption that can be leveraged for code execution.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with a powerful foothold for further compromise within affected environments. When successfully exploited, the vulnerability enables attackers to run arbitrary code on target systems with the same privileges as the Flash Player application, potentially leading to complete system compromise. The widespread use of Flash Player across various platforms and applications made this vulnerability particularly dangerous, as it could be exploited through multiple attack vectors including web browsers, email attachments, and malicious websites. Organizations running vulnerable versions of Flash Player faced significant risk of data breaches, system compromise, and potential lateral movement within their networks.
Mitigation strategies for this vulnerability require immediate patching of affected systems with the latest Adobe Flash Player updates, which address the memory corruption issues within the ATF module. Organizations should implement comprehensive patch management processes to ensure all Flash Player installations are updated promptly. Additional defensive measures include disabling Flash Player in web browsers, implementing network-based controls to block Flash content, and deploying application whitelisting solutions that prevent execution of untrusted Flash content. Security teams should also monitor for indicators of compromise related to this vulnerability, including unusual network connections or file execution patterns that may indicate exploitation attempts. The remediation process aligns with ATT&CK technique T1059.007 for Windows Scripting Host and T1068 for exploit development, as organizations need to address both the immediate vulnerability and potential exploitation methods that attackers may employ. Regular security assessments and vulnerability scanning should be conducted to identify any remaining instances of the vulnerable Flash Player versions within the organization's infrastructure.