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Re: Exploiting Zolaris 2.4 ?? :)

daemon@ATHENA.MIT.EDU (Casper Dik)
Sun Aug 4 13:23:39 1996

Date: 	Sun, 4 Aug 1996 12:48:15 +0200
Reply-To: Bugtraq List <BUGTRAQ@NETSPACE.ORG>
From: Casper Dik <casper@holland.Sun.COM>
To: Multiple recipients of list BUGTRAQ <BUGTRAQ@NETSPACE.ORG>
In-Reply-To:  Your message of "Sat, 03 Aug 1996 22:50:48 PDT."
              <Pine.LNX.3.91.960803224059.23451B-100000@underground.org>

> I think this bug is widely spreaded in Korea . but not all over the world.
> The following contents are wholly from SeokChan Lee,  one of the best alu
> mnus of the legendaray security task force team .K** .
> Also whom I look up to ..:)
>
> The problem is the Core dump system of Zolaris 2.4 .
> let's look into the man page of core(4) . and then concentrate on one phr-
> ase .


Set-uid/set-gid programs shouldn't dump core.

They don't in Solaris 2.5/2.5.1, but did under some circumstances in 2.4.
This is fixed in a later kernel jumbo patch (-35 for SPARC)


The files/directories shouldn't be group writable anyway;
better run:

        ftp.fwi.uva.nl:/pub/solaris/fix-modes*

on your Solaris systems.

Casper

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