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Ultra Shareware Office Control ActiveX HttpUpload Buffer Overflow

Posted Mar 5, 2010

Authored by shinnai, jduck | Site metasploit.com

This Metasploit module exploits a stack-based buffer overflow in Ultra Shareware's Office Control. When processing the 'HttpUpload' method, the arguments are concatenated together to form a command line to run a bundled version of cURL. If the command fails to run, a stack-based buffer overflow occurs when building the error message. This is due to the use of sprintf() without proper bounds checking. NOTE: Due to input restrictions, this exploit uses a heap-spray to get the payload into memory unmodified.

tags | exploit, overflow

advisories | CVE-2008-3878

SHA-256 | 8a257918eee93537e405cc218701960973136185e85d5e2b8f61efc33ae7b6b3

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