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Credit:
The information has been provided by ZDI-07-051, ZDI-07-050.
The original article(s) can be found at:
http://www.zerodayinitiative.com/advisories/ZDI-07-050.html
http://www.zerodayinitiative.com/advisories/ZDI-07-051.html
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Vulnerable Systems:
* ServerProtect version 5.58
TMregChange() Stack Overflow Vulnerability:
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Trend Micro Server Protect. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the routine TMregChange() exported by TMReg.dll which is reachable through the custom protocol subcode "\x15\x00\x00\x00". The TCP socket bound to port 5005 receives user-supplied data which is copied without proper bounds checking to a stack-based buffer. Thereby resulting in an exploitable condition.
CVE Information:
CVE-2007-4731
RPCFN_SetComputerName() Stack Overflow Vulnerability:
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Trend Micro ServerProtect. Authentication is not required to exploit this vulnerability.
The specific flaw is exposed through the RPC interface bound on TCP port 5168 and defined in SpntSvc.exe with the following UUID:
25288888-bd5b-11d1-9d53-0080c83a5c2c
The vulnerable function, RPCFN_SetComputerName(), is reached when the custom protocols "subcode" is set to "\x30\x00\x0a\x00". Improper use of the MultiByteToWideChar() API results in an exploitable stack based buffer overflow.
CVE Information:
CVE-2007-4218
Vendor Response:
Trend Micro has issued an update to correct this vulnerability - ServerProtect5.58 Security Patch 4 - Build 1185. More details can be found at:
http://www.trendmicro.com/ftp/documentation/readme/spnt_558_win_en_securitypatch4_readme.txt
Disclosure Timeline:
* 2007.07.17 - Vulnerability reported to vendor
* 2007.09.07 - Digital Vaccine released to TippingPoint customers
* 2007.09.07 - Coordinated public release of advisory
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