bluez-utils: Bluetooth device name validation vulnerability

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200508-09 / bluez-utils
Release Date	August 17, 2005
Latest Revision	August 17, 2005: 01
Impact	high
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-wireless/bluez-utils	< 2.19	>= 2.19	All supported architectures

Related bugreports: #101557

Synopsis

Improper validation of Bluetooth device names can lead to arbitrary command execution.

2. Impact Information

Background

bluez-utils are the utilities for use with the BlueZ implementation of the Bluetooth wireless standards for Linux.

Description

The name of a Bluetooth device is improperly validated by the hcid utility when a remote device attempts to pair itself with a computer.

Impact

An attacker could create a malicious device name on a Bluetooth device resulting in arbitrary commands being executed as root upon attempting to pair the device with the computer.

3. Resolution Information

Workaround

There are no known workarounds at this time.

Resolution

All bluez-utils users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-wireless/bluez-utils-2.19"

4. References

Page updated August 17, 2005

Summary: This is a Gentoo Linux Security Advisory

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