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On 2011-12-15T19:08:02+00:00 Petr Písař wrote:

Jamie Strandboge <ja...@canonical.com> reported to icecast developers
(CCing <oss-secur...@lists.openwall.com>) about possibility to inject
fake message into icecast error log by specially crafted HTTP request
sent to icecast server port discovered by Moritz Naumann:

"Newline injection in error.log

Running this command against an icecast2 running on 127.0.0.1...

echo -ne "GET /non-existent"'"'"%20No%20such%20file%20or%20directory%0d%
0a[1970-01-01%20%2000:00:00]%20PHUN%20I'm%20feeling%20phunny%0d%
0a["`date "+%Y-%m-%d%%20%%20%H:%M:%S"`"]%20WARN%
20fserve/fserve_client_create%20req%20for%20file%
20"'"'"/usr/share/icecast2/web/ HTTP/1.0\n\n" | nc -vv 127.0.0.1 8000
> /dev/null

...causes the following to be written to /var/log/icecast2/error.log:
[2011-11-25 15:37:31] INFO fserve/fserve_client_create checking for
file /non-existent" No such file or directory
[1970-01-01 00:00:00] PHUN I'm feeling phunny
..."

Source: http://thread.gmane.org/gmane.comp.audio.icecast.devel/1815

Upstream responded fixing 2.3.3 version would be released soon.

Reply at: https://bugs.launchpad.net/icecast/+bug/894782/comments/3

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On 2011-12-15T20:54:20+00:00 Underling wrote:

Thanks for the bug, Petr.

Reply at: https://bugs.launchpad.net/icecast/+bug/894782/comments/4

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On 2011-12-15T22:45:24+00:00 N0idx80 wrote:

I was able to reproduce the fake log file with the same info as referenced here:
https://bugs.launchpad.net/ubuntu/+source/icecast2/+bug/894782

netcat must be installed of course

Reply at: https://bugs.launchpad.net/icecast/+bug/894782/comments/6

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On 2012-07-10T10:24:22+00:00 Barzog wrote:

Any news? Because 2.3.3 is released.

Reply at: https://bugs.launchpad.net/icecast/+bug/894782/comments/23

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On 2012-07-10T16:58:54+00:00 Petr Písař wrote:

The 2.3.3 fixes this issue:

r18355 | dm8tbr | 2012-06-07 17:57:11 +0200 (Čt, 07 čen 2012) | 3 lines
This is part of the patch-set addressing CVE-2011-4612.

Reply at: https://bugs.launchpad.net/icecast/+bug/894782/comments/24


** Changed in: gentoo
   Importance: Unknown => Low

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  Newline injection in error.log

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