Cisco has updated this alert to reflect the public availability of functional exploit code for the Adobe Flash Player unspecified arbitrary code execution vulnerability.
Adobe Flash Player contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code on a targeted system.
The vulnerability is due to an unspecified vulnerability. An unauthenticated, remote attacker could exploit this vulnerability by convincing a user to view a website that contains malicious Flash content. If successful, the attacker could execute arbitrary code on the system with the privileges of the user.
Functional code that exploits this vulnerability is available as part of the Metasploit framework.
Adobe has confirmed the vulnerability and released software updates.
Adobe Flash Player versions 11.3.300.270 and prior for Windows and Mac and Adobe Flash Player versions 184.108.40.206 for Linux are vulnerable.
To exploit the vulnerability, the attacker may provide a link that directs a user to a malicious site and use misleading language or instructions to persuade the user to follow the provided link.
Adobe has reported that limited exploitation is ongoing in the wild.
Adobe has released a security bulletin at the following link: APSB12-18
An unauthenticated, remote attacker could exploit this vulnerability to execute arbitrary code on a targeted system with the privileges of the user. If the user holds elevated privileges, the attacker could completely compromise the system.
Technical information is not available.
Administrators are advised to apply the appropriate updates.
Users are advised not to open e-mail messages from suspicious or unrecognized sources. If users cannot verify that links or attachments included in e-mail messages are safe, they are advised not to open them.
Administrators are advised to monitor affected systems.
Adobe has released software updates at the following links:
Red Hat has released updated software for registered subscribers at the following link: Red Hat Network. Red Hat packages can be updated on Red Hat Enterprise Linux versions 5 and later using the yum tool.
Version 2, August 16, 2012, 4:31 PM: Red Hat has released a security advisory and updated packages to address the Adobe Flash Player unspecified arbitrary code execution vulnerability.
Version 1, August 14, 2012, 4:37 PM: Adobe Flash Player contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code on a targeted system. Updates are available.
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