Two vulnerabilities have been reported in Flash Player, which can be exploited by malicious people to bypass certain security restrictions and potentially compromise a user's system.
1) Certain unspecified memory access errors within the handling of SWF files can be exploited via a specially crafted SWF file.
Successful exploitation may allow execution of arbitrary code.
The vulnerability has been reported in version 8.0.24. Prior versions may also be affected.
2) A design error exists in the implementation of the "addRequestHeader()" method. This can be exploited to overwrite arbitrary HTTP headers in an outgoing HTTP request to an arbitrary web site via the "LoadVars" class and the "send()" method.
Successful exploitation allows e.g. a malicious web site to execute arbitrary HTML and script code in a user's browser session in context of an arbitrary site by overwriting the "Host" header, but requires that the site has the same IP as the malicious web site but another virtual host.
The vulnerability has been confirmed in version 220.127.116.11. Other versions may also be affected.
Solution: Upgrade to version 18.104.22.168 or another fixed version (see the vendor advisory for details).
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Subject: Flash Player Unspecified Vulnerability and "addRequestHeader()" Bypass
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