Xref: utzoo comp.mail.uucp:1311 comp.unix.xenix:2280 Path: utzoo!attcan!uunet!lll-winken!lll-tis!ames!ucsd!ucsdhub!hp-sdd!hplabs!sdcrdcf!trwrb!ucla-an!remsit!stb!michael From: michael@stb.UUCP (Michael) Newsgroups: comp.mail.uucp,comp.unix.xenix Subject: Re: UUCP security Message-ID: <10295@stb.UUCP> Date: 15 May 88 21:14:18 GMT References: <4210002@hpirs.HP.COM> <7049@mcdchg.UUCP> <234@ateng.UUCP> Reply-To: michael@stb.UUCP (Michael) Organization: STB BBS, La, Ca, Usa, +1 213 459 7231 Lines: 25 In article <234@ateng.UUCP> chip@ateng.UUCP (Chip Salzenberg) writes: >In article <7049@mcdchg.UUCP> heiby@mcdchg.UUCP (Ron Heiby) writes: >>I'm uid=501(heiby) gid=101(mot) on my system, and bunches of "?" are >>displayed instead of sensitive information when I invoke uucico. >>When I invoke uucico while logged in as "root", I get to see everything. >>If your implementation does not do this, then it should be fixed >>by your vendor. > >Actually, what should be fixed are the access permissions of uucico: 6770. > [details ommited] Actually, there is something much better than this: 2770. All the uucp programs should use set-G-id for protection; it is sufficient to maintain security. The problem with set-U-id, especially for uucp, is that uucp and uux cannot read your files unless they are world-readable, which means anyone can read them, and the whole security feature is lost. Michael : --- : Michael Gersten uunet.uu.net!ucla-an.ANES\ : ihnp4!hermix!ucla-an!denwa!stb!michael : sdcsvax!crash!gryphon!denwa!stb!michael : "Machine Takeover? Just say no." : "Sockets? Just say no." <-- gasoline