oss-security - Re: request CVE id: insecure handling of DISPLAY in rxvt

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Date: Tue, 4 Mar 2008 16:51:42 -0500 (EST)
From: "Steven M. Christey" <coley@...us.mitre.org>
To: oss-security@...ts.openwall.com
Subject: Re: request CVE id: insecure handling of DISPLAY in
 rxvt

On Tue, 4 Mar 2008, Nico Golde wrote:

> "If the DISPLAY environment is not set, rxvt opens an xterm
> on :0, which on some headless login-server means anyone can setup
> an fake X server waiting for someone loggin in without X
> forwarding to start rxvt by some mistake or by some program (thus
> without even noticing) and getting full shell access to that other
> account."
>
> This is Debian bug 469296[0].

Use CVE-2008-1142

I'm not going to pretend to understand this issue, plus Lubomir's bug
comment raises the question of dependency on user error (though it's
probably a relatively common error, I'd think).  So, I'll fill in the CVE
later once this has been fleshed out.

- Steve

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