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Ubuntu 18.04 LTS: USN-5183-1 Moderate: BlueZ Crash Risk

ubuntu
Calendar Grey December 8, 2021
Dist Ubuntu Esm H88
The Ubuntu Security Advisory USN-5183-1 addresses a critical flaw in BlueZ impacting Ubuntu 18.04 LTS, which may lead to system instability.
BlueZ could be made to crash or run programs if it received specially crafted traffic.

Summary

BlueZ could be made to crash or run programs if it received specially

crafted traffic.

Software Description:

- bluez: Bluetooth tools and daemons

Details:

Julian Rauchberger discovered that BlueZ incorrectly handled memory when

processing SDP attribute requests. A remote attacker could use this issue

to cause BlueZ to crash, leading to a denial of service, or possibly

execute arbitrary code.

Topics%20covered

Topics Covered

security advisory denial of service remote code execution ubuntu crash bluez

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS:
  bluez                           5.48-0ubuntu3.7
  libbluetooth3                   5.48-0ubuntu3.7

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5183-1

CVE-2019-8922

December 08, 2021

Topics%20covered

Topics Covered

security advisory denial of service remote code execution ubuntu crash bluez

Package Information

https://launchpad.net/ubuntu/+source/bluez/5.48-0ubuntu3.7

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