Gentoo Archives: gentoo-security

From: Lars Goldschlager <lg@×××××××××.ve>
To: gentoo-security@l.g.o
Subject: Re: [gentoo-security] tripwire policy generator
Date: Fri, 26 Mar 2004 22:02:18
Message-Id: 200403261936.07872.lg@ifxnw.com.ve
In Reply to: Re: [gentoo-security] tripwire policy generator by "Sandino Araico Sánchez"
1 On Thursday 25 March 2004 22:05, Sandino Araico Sánchez wrote:
2 >
3 > It should be possible to add a feature to emerge that updates installed
4 > packages MD5 to the tripwire database so the next time tripwire runs it
5 > doesn't report false positives.
6
7 But the same methodology used to update the tripwire database from emerge
8 could be exploited by attackers to update the database by hand (a silently
9 compromised protected system is more dangerous than a silently compromised
10 unprotected one). Unless some sort of very very imaginative key pair is
11 created to ensure a secure and limited interaction between tripwire and
12 emerge.
13
14 >
15 > >Michel Wilson.
16
17 --
18 Lars Goldschlager
19 ===========================
20 Software Engineer.
21 Telephony Business Group.
22 IFX Networks.
23 ---------------------------
24 Sysadmin.
25 IFX Networks. Venezuela.
26 ===========================
27 lg@×××××××××.ve
28 +58-212-952-3655. Ext. 109.