full-disclosure - /etc/passwd corruption

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Message-ID: <4D3F276A.9040202@halfdog.net>
Date: Tue, 25 Jan 2011 19:41:30 +0000
From: halfdog <me@...fdog.net>
To: full-disclosure@...ts.grok.org.uk
Subject: /etc/passwd corruption

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Hello List,

On ubuntu lucid, I found a way to add corrupted entries to /etc/passwd
e.g. "AAA\n", but not to /etc/shadow. Does someone know a way to use
that for privilege escalation? What is the "+" line handling in
/etc/passwd for?

- -- 
http://www.halfdog.net/
PGP: 156A AE98 B91F 0114 FE88  2BD8 C459 9386 feed a bee
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