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Gentoo: GLSA-202011-01 Normal: BlueZ Arbitrary Code Execution Risk

gentoo
Calendar Grey November 2, 2020
Dist Gentoo Esm H88
A flaw in BlueZ might enable remote adversaries to run arbitrary code on Gentoo systems, necessitating software patches.
A vulnerability in BlueZ might allow remote attackers to execute arbitrary code.

Summary

It was discovered that there was a double-free vulnerability in Bluez after the service discovery which occurs after a Bluetoth Low Energy (BLE) connection has been established to a device.

Topics%20covered

Topics Covered

security advisory gentoo arbitrary code execution normal severity bluez

Resolution

All BlueZ users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-wireless/bluez-5.55"

References

[ 1 ] CVE-2020-27153 https://nvd.nist.gov/vuln/detail/CVE-2020-27153

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202011-01
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: BlueZ: Arbitrary code execution
Date: November 03, 2020
Bugs: #749285
ID: 202011-01

Topics%20covered

Topics Covered

security advisory gentoo arbitrary code execution normal severity bluez

Synopsis

A vulnerability in BlueZ might allow remote attackers to execute arbitrary code.

Background

Set of tools to manage Bluetooth devices for Linux.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-wireless/bluez < 5.55 >= 5.55

Impact

===== A remote attacker, by enticing a user to connect to a malicious GATT server or device, could cause the execution of arbitrary code with the privileges of the user running gatttool client or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

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