sadc in IBM AIX 4.1 through 4.3, when called from programs such as timex that are setgid adm, allows local users to overwrite arbitrary files via a symlink attack.
Vulnerability in AIX 4.1.4 and HP-UX 10.01 and 9.05 allows local users to cause a denial of service (crash) by using a socket to connect to a port on the localhost, calling shutdown to clear the socket, then using the same socket to connect to a different port on localhost.
lquerypv in AIX 4.1 and 4.2 allows local users to read arbitrary files by specifying the file in the -h command line parameter.
pcnfsd (aka rpc.pcnfsd) allows local users to change file permissions, or execute arbitrary commands through arguments in the RPC call.