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Date: Fri, 12 Aug 2011 14:07:18 -0400 (EDT)
From: Josh Bressers <>
Cc:, coley <>
Subject: Re: CVE request (and disclosure): ax25d missing
 setuid return code check

----- Original Message -----
> The AX.25 daemon (ax25d), typically provided in the ax25-tools
> package, allows administrators to associate incoming AX.25, NET/ROM,
> and ROSE traffic with the execution of an endpoint program (most
> commonly "node"), which is run under a specified user account.
> Because ax25d is missing a check on the return code for a setuid call
> responsible for dropping privileges to the specified user, it may be
> possible to cause setuid to fail, after which the chosen program will
> be executed with root privileges. In other words, if you're in the
> business of handing out unprivileged shells over amateur radio (don't
> we all? :p ), this would allow for remote compromise.

Please use CVE-2011-2910



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