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ScanMail for Microsoft Exchange (SMEX) vulnerability for remote attackers to get the web session ID

    • Updated:
    • 18 May 2016
    • Product/Version:
    • ScanMail for Exchange 10.2
    • ScanMail for Exchange 11.0
    • Platform:
    • Windows 2003 Enterprise
    • Windows 2003 Standard
    • Windows 2008 Enterprise
    • Windows 2008 Standard
    • Windows 2012 Server Essentials
Summary

ScanMail for Microsoft Exchange uses a random number generator that generates predictable numbers for session ID to be used in logging into the web console. This makes it easier for the remote attackers to conduct brute force guessing attacks to get the web session ID.

Details
Public

Trend Micro has released hot fixes to resolve this issue. The following hot fixes enable SMEX to generate longer session IDs using a combination of letters, numbers, and characters.

  • For SMEX 10.2 - Hot Fix Build 3318
  • For SMEX 11.0 - Hot Fix Build 4180

To get the appropriate hot fix, contact Trend Micro Technical Support.

Acknowledgement

Trend Micro would like to thank Roberto Suggi Liverani / NCIA for responsibly disclosing this issue and working with Trend Micro to help protect our customers.

Premium
Internal
Rating:
Category:
Troubleshoot
Solution Id:
1109669
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