[rt-users] Perl Updates
Frances Russell
frussell at tpg.com.au
Sat Sep 2 18:17:33 EDT 2000
Is this going to be a problem for RT?
Summary from:
http://www.redhat.com/support/errata/RHSA-2000-048-03.html
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Red Hat Linux Security Advisory
1. Topic:
Updated perl and mailx package are now available which fix a
potential
exploit made possible by incorrect assumptions made in suidperl.
2. Problem description:
Under certain conditions, suidperl will attempt to send mail to the
local
superuser account using /bin/mail. A properly formatted exploit
script can
use this facility, along with mailx's tendency to inherit settings from
the
environment, to gain local root access.
This update changes suidperl's behavior to use syslog instead of
mail, and
restricts the list of variables /bin/mail will read from the
environment.
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Frances Russell
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