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Gentoo: perl broken safe compartment Print E-mail
User Rating:      How can I rate this item?
Posted by LinuxSecurity.com Team   
Gentoo A security hole has been discovered in Safe.pm. When a Safe compartment has already been used, there's no guarantee that it's safe any longer, because there's a way for code executed within the Safe compartment to alter its operation mask.

- --------------------------------------------------------------------
GENTOO LINUX SECURITY ANNOUNCEMENT 200212-6
- --------------------------------------------------------------------

PACKAGE : perl
SUMMARY : broken safe compartment
DATE    : 2002-12-20 14:12 UTC
EXPLOIT : local

- --------------------------------------------------------------------

Quote from  http://use.perl.org/articles/02/10/06/1118222.shtml?tid=5

"A security hole has been discovered in Safe.pm. When a Safe
compartment has already been used, there's no guarantee that it's safe
any longer, because there's a way for code executed within the Safe
compartment to alter its operation mask. (Thus, programs that use a
Safe compartment only once aren't affected by this bug"

Mor information is available at 
http://groups.google.com/groups?threadm=rt-17744-39131.3.96370682846239%40bugs6.perl.org

SOLUTION

It is recommended that all Gentoo Linux users who are running
sys-devel/perl-5.6.1-r9 or sys-devel/5.8.0-r5 and earlier update their
systems as follows:

emerge rsync
emerge perl
emerge clean

ALTERNATIVE SOLUTION

If you don't want to or can't upgrade your perl package right away,
you can emerge dev-perl/Safe to accomplish the same solution as above.

- --------------------------------------------------------------------
aliz@gentoo.org - GnuPG key is available at www.gentoo.org/~aliz
mcummings@gentoo.org
- --------------------------------------------------------------------


 
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