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=========================================================== Ubuntu Security Notice USN-256-1 February 21, 2006 bluez-hcidump vulnerability CVE-2006-0670 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 4.10 (Warty Warthog) Ubuntu 5.04 (Hoary Hedgehog) Ubuntu 5.10 (Breezy Badger) The following packages are affected: bluez-hcidump The problem can be corrected by upgrading the affected package to version 1.5-2ubuntu0.1 (for Ubuntu 4.10), 1.12-1ubuntu0.1 (for Ubuntu 5.04), or 1.23-0ubuntu1.1 (for Ubuntu 5.10). In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: Pierre Betouin discovered a Denial of Service vulnerability in the handling of the L2CAP (Logical Link Control and Adaptation Layer Protocol) layer. By sending a specially crafted L2CAP packet through a wireless Bluetooth connection, a remote attacker could crash hcidump. Since hcidump is mainly a debugging tool, the impact of this flaw is very low.