IBM AIX nslookup hostname buffer overflow

aix-nslookup-hostname-bo (8031) The risk level is classified as HighHigh Risk


Nslookup is vulnerable to a buffer overflow, caused by improper bounds checking of the hostname that is being queried. By sending an overly long hostname to nslookup, a local attacker could overflow a buffer and execute arbitrary code on the system with root privileges.


Gain Privileges


For IBM AIX 4.3:
Apply APAR IY02120 patch, available from the IBM Technical Support Web site. See References.


Platforms Affected:

  • IBM AIX 4.3


Sep 26, 2001

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