libmikmod 3.1.9 through 3.2.0, as used by MikMod, SDL-mixer, and possibly other products, relies on the channel count of the last loaded song, rather than the currently playing song, for certain playback calculations, which allows user-assisted attackers to cause a denial of service (application crash) by loading multiple songs (aka MOD files) with different numbers of channels.
CVSS Severity (version 2.0):
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows disruption of service
Official Statement from Red Hat (01/21/2009)
Red Hat is aware of this issue and is tracking it via the following bug:
The Red Hat Security Response Team has rated this issue as having low security
impact, a future update may address this flaw. More information regarding
issue severity can be found here:
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[oss-security] 20090113 CVE Request -- libmikmod