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Posts tagged “security appliance

McAfee Email and Web Security Appliance v5.6: Multiple Vulnerabilities

NGS Secure has discovered a high risk vulnerabilities in the McAfee Email and Web Security Appliance

All versions prior to 5.5 Patch 6, Email and Web Security 5.6 Patch 3, McAfee Email Gateway 7.0 Patch 1

Vulnerabilities Include:

  • Reflective XSS allowing an attacker to gain session tokens
  • Session hijacking and bypassing client-side session timeouts
  • Any logged-in user can bypass controls to reset passwords of other administrators
  • Active sesssion tokens of other users are disclosed within the UI
  • Password hashes can be recovered from a system backup and easily cracked
  • Arbitrary file download is possible with a crafted URL when logged in as any user


NGS Secure is going to withhold details of this flaw for three months. This three month window will allow users the time needed to apply the patch before the details are released to the general public. This reflects the NGS Secure approach to responsible disclosure.