CVE-2015-8408

Vulnerability

Adobe Flash Player versions prior to 18.0.0.268 and 19.x/20.x prior to 20.0.0.228 on Windows and OS X, as well as versions prior to 11.2.202.554 on Linux, contain a memory corruption vulnerability. Adobe AIR versions prior to 20.0.0.204 and AIR SDK/Compiler versions prior to 20.0.0.204 are also affected. The vulnerability can be triggered via unspecified vectors, leading to memory corruption. [1]

Exploitation

An attacker can exploit this vulnerability by convincing a user to open a specially crafted Flash file, typically delivered via a web page or email attachment. No authentication is required, and the attack can be performed remotely. The exact exploitation steps are not disclosed in the available references. [1]

Impact

Successful exploitation allows an attacker to execute arbitrary code with the privileges of the affected process or cause a denial of service (memory corruption). This could lead to full system compromise, data disclosure, or disruption of service. [1]

Mitigation

Adobe released fixed versions: Flash Player 18.0.0.268 and 20.0.0.228 for Windows/OS X, 11.2.202.554 for Linux, and AIR 20.0.0.204 for the affected products. Users should upgrade immediately. The Gentoo security advisory recommends upgrading to >=www-plugins/adobe-flash-11.2.202.559 for Linux. No workaround is available. [1]