/bin/login DoS remains after DSA-1709

From: Paul Szabo <psz@maths.usyd.edu.au>
To: bugtraq@securityfocus.com,full-disclosure@lists.grok.org.uk
Cc:
Subject: /bin/login DoS remains after DSA-1709
Date:


Even after DSA-1709, /bin/login in Debian is vulnerable to a local DoS
attack; the attacker does not need special privileges to succeed. For
details please see
 
  http://www.debian.org/security/2009/dsa-1709
  http://bugs.debian.org/505271
  http://bugs.debian.org/505071
 
I do not know what practical uses this DoS could have.

(Debian and Ubuntu are vulnerable, I believe RedHat is not. I do not
know about other distros.)

Cheers,

Paul Szabo   psz@maths.usyd.edu.au   http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics   University of Sydney    Australia





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