Adobe Flash Player and AIR contain a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code on the targeted system.
The vulnerability exists because the affected software incorrectly processes ActionScript objects encountered when processing Flash content. An unauthenticated, remote attacker could exploit this vulnerability by convincing a user to process crafted Flash content using Flash Player or AIR-based applications or by visiting a malicious website that hosts this content. If the attacker is successful, a memory corruption error could be triggered that could allow the attacker to execute arbitrary code on the system with the privileges of the user.
Adobe has confirmed this vulnerability and released updated software.
Indicators of Compromise
The following Adobe products are vulnerable:
Flash Player 10.0.53.64 and prior
Flash Professional CS5 and prior
Adobe Flex 4 and prior
The vulnerability is due to an error in the connect method used by an ActionScript native object when the affected software processes Flash content.
An unauthenticated, remote attacker could exploit this vulnerability by persuading a targeted user to view crafted Flash content that is designed to create multiple instances of the connect method for which each call to the method uses different string values for the connection name passed as an argument. Processing this content could result in memory corruption that could allow the attacker to execute arbitrary code on the targeted system with the privileges of the user.
To exploit this vulnerability, an attacker would need to persuade a user to visit a malicious website that hosts crafted Flash content or provide a crafted SWF file to the user. The attacker would likely use social engineering techniques such as using e-mail attachments, instant messaging, or other forms of communication.
Administrators are advised to apply the appropriate updates.
Users should verify that unsolicited links are safe to follow.
Administrators are advised to monitor affected systems.
Adobe released a security bulletin at the following link: APSB10-16
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Cisco Multivendor Vulnerability Alerts respond to vulnerabilities identified in third-party vendors' products. These alerts contain information compiled from diverse sources and provide comprehensive technical descriptions, objective analytical assessments, workarounds and practical safeguards, and links to vendor advisories and patches.