- ucp(1) COMMAND ucp(1) SYSTEMS AFFECTED UUCP software in versions of AIX up to 2007. PROBLEM Previous versions except AIX 3.2 of the UUCP software contained incorrectly configured versions of various files. Local users can execute unauthorized commands and gain unauthorized root access. SOLUTION IBM is aware of this problem and a fix is available as apar number "ix18516". This patch is available for all AIX releases from GOLD to 2006. The fix is in the 2007 update and 3.2 release of AIX. IBM customers may call IBM Support (800-237-5511) and ask that the fix be shipped to them. Patches may be obtained outside the U.S. by contacting your local IBM representative.