Aucbvax.3099 fa.unix-wizards utzoo!decvax!ucbvax!unix-wizards Fri Sep 11 21:18:08 1981 >From MathStat.jmrubin@Berkeley Fri Sep 11 21:07:57 1981 TO: csvax:unix-wizards Subject: /usr/spool/mail Would you believe, after all this /usr/spool/mail business, I found a a local mail program, setuid root, which was calmly willing to write to any file, or to creat the file if it didn't exist? Made the previous bugs seem positively Byzantine by comparison. If you have that, you might as well give up--/etc/passwd can be written on. Anyone for setuid root programs which fork a shell without resetting the uid? Joel Rubin