What is the severity of USN-3717-2?

The severity of USN-3717-2 is moderate.

How do I fix USN-3717-2?

To fix USN-3717-2, update the libpolkit-backend-1-0 package to version 0.104-1ubuntu1.2 or later.

What is the vulnerability description of USN-3717-2?

USN-3717-2 is a vulnerability in PolicyKit that allows a local attacker to cause a crash and potentially execute arbitrary code.

What are the affected software versions of USN-3717-2?

USN-3717-2 affects Ubuntu 12.04 ESM with libpolkit-backend-1-0 version 0.104-1ubuntu1.2.

Where can I find more information about USN-3717-2?

You can find more information about USN-3717-2 on the Ubuntu security website.

Vulnerability/
USN-3717-2

17/7/2018

USN-3717-2: PolicyKit vulnerabilities

First published: Tue Jul 17 2018(Updated: )

USN-3717-1 fixed a vulnerability in PolicyKit. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that PolicyKit incorrectly handled certain duplicate action IDs. A local attacker could use this issue to cause PolicyKit to crash, resulting in a denial of service, or possibly escalate privileges. (CVE-2015-3255) Matthias Gerstner discovered that PolicyKit incorrectly checked users. A local attacker could possibly use this issue to cause authentication dialogs to show up for other users, leading to a denial of service or an information leak. (CVE-2018-1116)

Affected Software	Affected Version	How to fix
All of
ubuntu/libpolkit-backend-1-0	<0.104-1ubuntu1.2	0.104-1ubuntu1.2
	=12.04

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Child vulnerabilities

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Frequently Asked Questions

What is the severity of USN-3717-2?
The severity of USN-3717-2 is moderate.
How do I fix USN-3717-2?
To fix USN-3717-2, update the libpolkit-backend-1-0 package to version 0.104-1ubuntu1.2 or later.
What is the vulnerability description of USN-3717-2?
USN-3717-2 is a vulnerability in PolicyKit that allows a local attacker to cause a crash and potentially execute arbitrary code.
What are the affected software versions of USN-3717-2?
USN-3717-2 affects Ubuntu 12.04 ESM with libpolkit-backend-1-0 version 0.104-1ubuntu1.2.
Where can I find more information about USN-3717-2?
You can find more information about USN-3717-2 on the Ubuntu security website.

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