Exim SPA Authentication Buffer Overflow

  Severity: MEDIUM
  CVE Identifier: CVE-2005-0022
  Advisory Date: FEB 15, 2011

  DESCRIPTION

 Buffer overflow in the spa_base64_to_bits function in Exim before 4.43, as originally obtained from Samba code, and as called by the auth_spa_client function, may allow attackers to execute arbitrary code during SPA authentication.

  TREND MICRO PROTECTION INFORMATION

Trend Micro Deep Security shields networks through Deep Packet Inspection (DPI) rules. Trend Micro customers using OfficeScan with Intrusion Defense Firewall (IDF) plugin are also protected from attacks using these vulnerabilities. Please refer to the filter number and filter name when applying appropriate DPI and/or IDF rules.

  SOLUTION

  Trend Micro Deep Security DPI Rule Number: 1000895
  Trend Micro Deep Security DPI Rule Name: 1000895 - Exim SPA Authentication Buffer Overflow

  AFFECTED SOFTWARE AND VERSION

  • University of Cambridge Exim 4.40
  • University of Cambridge Exim 4.41
  • University of Cambridge Exim 4.42

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