Icecast denial of service vulnerability — GLSA 200405-10

Icecast is vulnerable to a denial of service attack allowing remote users to crash the application.

Affected packages

Package 	net-misc/icecast on all architectures
Affected versions 	<= 2.0.0
Unaffected versions 	>= 2.0.1

Background

Icecast is a program that streams audio data to listeners over the Internet.

Description

There is an out-of-bounds read error in the web interface of Icecast when handling Basic Authorization requests. This vulnerability can theorically be exploited by sending a specially crafted Authorization header to the server.

Impact

By exploiting this vulnerability, it is possible to crash the Icecast server remotely, resulting in a denial of service attack.

Workaround

There is no known workaround at this time. All users are advised to upgrade to the latest available version of Icecast.

Resolution

All users of Icecast should upgrade to the latest stable version:

 # emerge sync
 
 # emerge -pv ">=net-misc/icecast-2.0.1"
 # emerge ">=net-misc/icecast-2.0.1"

References

    Icecast 2.0.1 announcement
    CVE-2004-2027