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Ubuntu Security Notice USN-4605-1

Ubuntu Security Notice USN-4605-1
Posted Oct 27, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4605-1 - Vaisha Bernard discovered that blueman did not properly sanitize input on the d-bus interface to blueman-mechanism. A local attacker could possibly use this issue to escalate privileges and run arbitrary code or cause a denial of service.

tags | advisory, denial of service, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2020-15238
MD5 | c8704c3d9669c74ad12984c2c0623dc0

Ubuntu Security Notice USN-4605-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4605-1
October 27, 2020

blueman vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Blueman could be made to run programs if it received specially crafted
input.

Software Description:
- blueman: Graphical bluetooth manager

Details:

Vaisha Bernard discovered that blueman did not properly sanitize input
on the d-bus interface to blueman-mechanism. A local attacker could
possibly use this issue to escalate privileges and run arbitrary code or
cause a denial of service. (CVE-2020-15238)

Update instructions:

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

Ubuntu 20.10:
blueman 2.1.3-2ubuntu1

Ubuntu 20.04 LTS:
blueman 2.1.2-1ubuntu0.1

Ubuntu 18.04 LTS:
blueman 2.0.5-1ubuntu1.1

Ubuntu 16.04 LTS:
blueman 2.0.4-1ubuntu2.1

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

References:
https://usn.ubuntu.com/4605-1
CVE-2020-15238

Package Information:
https://launchpad.net/ubuntu/+source/blueman/2.1.3-2ubuntu1
https://launchpad.net/ubuntu/+source/blueman/2.1.2-1ubuntu0.1
https://launchpad.net/ubuntu/+source/blueman/2.0.5-1ubuntu1.1
https://launchpad.net/ubuntu/+source/blueman/2.0.4-1ubuntu2.1
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