US-CERT Alert: Multiple Buffer Overflow Vulnerabilities in RealNetworks, Inc.'s Products
April 5, 2006 -- US-CERT is aware of multiple vulnerabilities in RealNetworks, Inc.'s Products. Each of these vulnerabilities may result in a buffer overflow within RealPlayer that could allow a remote attacker execute arbitrary code.
These vulnerabilities can be exploited by convincing a user to:
* access a web page that references a specially crafted Flash (SWF) file
* access a web page that references a specially crafted mimio boardcast (MBC) file
* access a RealMedia file embedded in web page hosted on a malicious server
More information can be found in the following:
* US-CERT Vulnerability Note: VU#231028 - RealNetworks RealPlayer vulnerable to buffer overflow via a specially crafted flash media file
* US-CERT Vulnerability Note: VU#451556 - RealNetworks RealPlayer vulnerable to buffer overflow via specially crafted MBC file
* US-CERT Vulnerability Note: VU#172489 - Numerous RealNetworks products fail to properly handle chunked data
* RealNetworks, Inc.: March 22, 2006 Security update
US-CERT recommends the following actions to mitigate the security risks:
* Apply the patches supplied in the RealNetwork Security Update for March 2006.
* Disable the RealPlayer ActiveX control in Microsoft Internet Explorer.
* Disable the RealPlayer Plugin in in other web browsers.
* Do not visit unknown or untrusted websites and do not follow suspicious links.
US-CERT encourages users to apply the appropriate updates, patches, or fixes as soon as possible.
Source: US-CERT
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