CVE-2019-7090 in Flash Player
Summary
by MITRE
Flash Player Desktop Runtime versions 32.0.0.114 and earlier, Flash Player for Google Chrome versions 32.0.0.114 and earlier, and Flash Player for Microsoft Edge and Internet Explorer 11 versions 32.0.0.114 and earlier have an out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 06/16/2020
Adobe Flash Player desktop runtime and browser plugins contain a critical out-of-bounds read vulnerability that affects multiple product versions including Flash Player Desktop Runtime 32.0.0.114 and earlier, Flash Player for Google Chrome 32.0.0.114 and earlier, and Flash Player for Microsoft Edge and Internet Explorer 11 32.0.0.114 and earlier. This vulnerability stems from improper bounds checking within the Flash Player's handling of multimedia content and can be exploited through maliciously crafted Flash files embedded in web pages or downloaded content. The flaw allows attackers to read memory locations beyond the intended buffer boundaries, potentially exposing sensitive data such as encryption keys, user credentials, or system information. The vulnerability is classified as a CWE-129 weakness, specifically an insufficient boundary check, which is a common precursor to more severe exploits including remote code execution. Attackers typically leverage this type of vulnerability by crafting malicious SWF files that trigger the out-of-bounds read when processed by the vulnerable Flash Player components. The security implications extend beyond simple information disclosure as this weakness can serve as a stepping stone for more sophisticated attacks. According to ATT&CK framework, this vulnerability maps to T1059.007 for script-based exploitation and T1068 for local privilege escalation opportunities. The exploitation typically occurs when users visit compromised websites or open malicious attachments containing embedded Flash content. Organizations running these affected versions face significant risk due to the widespread deployment of Flash Player across enterprise environments, particularly in legacy systems where updates may not be regularly applied. The vulnerability represents a critical security gap that can be exploited without user interaction in many scenarios, making it particularly dangerous for enterprise networks. When exploited successfully, this vulnerability can lead to data breaches, credential theft, and potential system compromise. The affected versions of Flash Player are no longer supported by Adobe, which compounds the risk as no official patches or fixes are available for these older releases. Security researchers have noted that this vulnerability is particularly concerning because Flash Player's extensive use in web browsers and enterprise applications creates numerous attack vectors. The out-of-bounds read condition can be triggered through various file formats including SWF files, FLV videos, and other multimedia content processed by the Flash Player runtime. This vulnerability requires minimal user interaction for exploitation, often only requiring the user to visit a malicious website or open an infected document. The security community has consistently recommended immediate remediation through complete removal of Flash Player from systems, as the risk of exploitation far outweighs any legitimate business requirements for the technology. Organizations should implement network-based protections such as web application firewalls and content filtering solutions to prevent access to known malicious Flash content. Additionally, security teams should monitor for indicators of compromise related to this vulnerability and ensure comprehensive patch management processes are in place for all remaining Flash Player installations. The vulnerability demonstrates the critical importance of maintaining up-to-date security software and the dangers associated with running deprecated technologies in enterprise environments.