J-Security Center

Title: AIX hosts.equiv Vulnerability

Severity: MODERATE

Description:

Under certain versions of AIX, rlogind fails to perform proper authentication if particular conditions are true in the /etc/hosts.equiv file. If a hostA userA pair is mentioned in /etc/hosts.equiv. of machine hostB, then userA from hostA will be able to login as any user on hostB without a password.

Affected Products:

  • IBM AIX 4.1.0
  • IBM AIX 4.1.1
  • IBM AIX 4.1.2
  • IBM AIX 4.1.3
  • IBM AIX 4.1.4
  • IBM AIX 4.1.5
  • IBM AIX 4.2.0
  • IBM AIX 4.2.1
  • IBM AIX 4.3.0

References:

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