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>> Trend Micro Web Management Authentication Bypass Vulnerability

Title : Trend Micro Web Management Authentication Bypass Vulnerability
VUPEN ID : VUPEN/ADV-2008-2421
CVE ID : CVE-2008-2433
CWE ID : CWE-331
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2008-08-25


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in various Trend Micro products, which could be exploited by attackers to bypass security restrictions and compromise a vulnerable system. This issue is caused due to insufficient entropy in a random session token used to identify an authenticated manager using the web console, which could allow an attacker to impersonate a currently logged on manager and take full control of the Web console.

Affected Products

Trend Micro Client Server Messaging Security for SMB 3.x
Trend Micro OfficeScan Corporate Edition 7.x
Trend Micro OfficeScan Corporate Edition 8.x
Trend Micro Worry-Free Business Security 5.x

Solution

Apply patch for Trend Micro OfficeScan 8.0 Service Pack 1:
http://www.trendmicro.com/ftp/products/patches/OSCE_8.0_SP1_Win_EN_CriticalPatch_B2402.exe

Apply patch for Trend Micro OfficeScan 8.0:
http://www.trendmicro.com/ftp/products/patches/OSCE_8.0_Win_EN_CriticalPatch_B1351.exe

Apply patch for Trend Micro OfficeScan 8.0 Service Pack 1 Patch 1:
http://www.trendmicro.com/ftp/products/patches/OSCE_8.0_SP1_Patch1_Win_EN_CriticalPatch_B3037.exe

Apply patch for Worry-Free Business Security 5.0:
http://www.trendmicro.com/ftp/products/patches/WFBS_50_WIN_EN_CriticalPatch_B1404.exe

References

http://www.vupen.com/english/advisories/2008/2421
http://www.trendmicro.com/ftp/documentation/readme/OSCE_8.0_SP1_Win_EN_CriticalPatch_B2402_readme.txt
http://www.trendmicro.com/ftp/documentation/readme/Readme_WFBS5%200_EN_CriticalPatch1404.txt
http://secunia.com/secunia_research/2008-31/advisory

Credits

Vulnerability reported by Dyon Balding (Secunia Research).

ChangeLog

2008-08-25 : Initial release

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