[219] in bugtraq
[8lgm]-Advisory-10.UNIX.SCO-at.10-Feb-1992
daemon@ATHENA.MIT.EDU ([8LGM] Security Team)
Mon Nov 28 02:07:30 1994
Date: Mon, 28 Nov 1994 02:39:30 GMT
From: "[8LGM] Security Team" <8lgm@bagpuss.demon.co.uk>
To: 8lgm-advisories@bagpuss.demon.co.uk, bugtraq@fc.net, cert@cert.org,
security-alert@sco.COM
This advisory has been sent to:
comp.security.unix
BUGTRAQ <bugtraq@fc.net>
CERT/CC <cert@cert.org>
SCO <security-alert@sco.com>
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[8lgm]-Advisory-10.UNIX.SCO-at.10-Feb-1992
PROGRAM:
at(1)
VERSION:
SCO UNIX 3.2v4.2
DESCRIPTION:
at(1) can be used to execute arbitrary commands as group cron.
IMPACT:
Any user with access to at(1) can become root.
REPEAT BY:
Exploit details will not be made available, until a patch is
provided.
FIX:
Obtain a patch from SCO.
WORKAROUND:
Deny access to at(1) for normal users (see man page for details.)
DISCUSSION:
at(1) was originally designed to run setuid root. SCOs version of
at runs setgid cron, but still handles privileges as if running
euid 0.
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in this advisory.
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