15 Oct 2004 14:17
Stephanie for OpenBSD 3.6 released
br1an <brian <at> ethernet.org>
2004-10-15 12:17:48 GMT
2004-10-15 12:17:48 GMT
Stephanie for OpenBSD 3.6 is released
-------------------------------------
Introduction
------------
Stephanie is an OpenBSD hardening package. It's compiled of kernel and
userland patches that when used add several security features. In this
version included are:
- Vexec: Verify file integrity before executing/opening it.
- TPE: Prevent untrusted users executing files in untrusted locations.
- Privacy: Privacy extensions, in-kernel and userland.
What's new?
-----------
- Vexec: Mostly rewritten. Now uses hash tables to store data,
introducing O(1) performance in best case and O(n) where 'n' is
number of inodes that produce same hash on a given device in worst
case.
Noting the recent collision discovery in SHA-0, it's worth
mentioning that Vexec offers 6 hash types (MD5, SHA1, SHA256,
SHA384, SHA512, and RMD160 - all hash types supported by the OpenBSD
3.6 kernel) and it's design allows easy extensions for adding new
hash types, if required. (read NEW_HASH)
- Privacy: More privacy features. Namely, there are hooks in netstat,
w, who, last, and finger. The output is filtered according to the
features status.
(Continue reading)
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