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<H1>[Mageia-dev] Freeze Push: dropbear</H1>
<B>Colin Guthrie</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Freeze%20Push%3A%20dropbear&In-Reply-To=%3C4F93E0B1.1020205%40colin.guthr.ie%3E"
TITLE="[Mageia-dev] Freeze Push: dropbear">mageia at colin.guthr.ie
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<I>Sun Apr 22 12:42:57 CEST 2012</I>
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<PRE>When adding systemd units to dropbear, I noticed a security problem had
been announced.
- Security: Fix use-after-free bug that could be triggered if command="..."
authorized_keys restrictions are used. Could allow arbitrary code
execution
or bypass of the command="..." restriction to an authenticated user.
This bug affects releases 0.52 onwards. Ref CVE-2012-0920.
Thanks to Danny Fullerton of Mantor Organization for reporting
the bug.
Please push.
Note, that dropbear suffers from the same problem as openssh-server when
pam support is disabled - i.e. all sessions will be killed on service
restart.
I tried enabling PAM support but this didn't seem to work properly so
I've left it disabled for now.
I've mentioned the issue on Fedora, so hopefully they'll fix it!
<A HREF="https://bugzilla.redhat.com/show_bug.cgi?id=770251">https://bugzilla.redhat.com/show_bug.cgi?id=770251</A>
--
Colin Guthrie
colin(at)mageia.org
<A HREF="http://colin.guthr.ie/">http://colin.guthr.ie/</A>
Day Job:
Tribalogic Limited <A HREF="http://www.tribalogic.net/">http://www.tribalogic.net/</A>
Open Source:
Mageia Contributor <A HREF="http://www.mageia.org/">http://www.mageia.org/</A>
PulseAudio Hacker <A HREF="http://www.pulseaudio.org/">http://www.pulseaudio.org/</A>
Trac Hacker <A HREF="http://trac.edgewall.org/">http://trac.edgewall.org/</A>
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