J-Security Center

Title: Multiple Vendor connect() Denial of Service Vulnerability

Severity: MODERATE

Description:

Certain versions of AIX and HP/UX contained a bug in the way the OS handled the connect system call. The connect call is used to initiate a connection on a socket. Because of the flaw in the handling code under AIX certain versions will reboot when given two connects, one to a fixed port (a number of different ports were found to trigger this behaviour) and then another random port connection immediately thereafter.

Affected Products:

  • HP HP-UX 10.1.0 0
  • HP HP-UX 10.20.0
  • HP HP-UX 9.5.0
  • 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

References:

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