What is the vulnerability ID?

The vulnerability ID is USN-3853-1.

What is the title of the vulnerability?

The title of the vulnerability is GnuPG vulnerability.

What is the description of the vulnerability?

The vulnerability involves GnuPG incorrectly handling Web Key Directory lookups, which could allow a remote attacker to cause a denial of service or perform Cross-Site Request Forgery attacks.

Which software is affected by this vulnerability?

The affected software includes GnuPG version 2.2.8-3ubuntu1.1 and gpg-wks-client version 2.2.8-3ubuntu1.1 on Ubuntu 18.10, as well as GnuPG version 2.2.4-1ubuntu1.2 and gpg-wks-client version 2.2.4-1ubuntu1.2 on Ubuntu 18.04.

How can I fix this vulnerability?

To fix this vulnerability, you should update GnuPG and gpg-wks-client to the specified versions (2.2.8-3ubuntu1.1 for Ubuntu 18.10 and 2.2.4-1ubuntu1.2 for Ubuntu 18.04).

Vulnerability/
USN-3853-1

10/1/2019

USN-3853-1: GnuPG vulnerability

First published: Thu Jan 10 2019(Updated: )

Ben Fuhrmannek discovered that GnuPG incorrectly handled Web Key Directory lookups. A remote attacker could possibly use this issue to cause a denial of service, or perform Cross-Site Request Forgery attacks.

Affected Software	Affected Version	How to fix
All of
ubuntu/gnupg	<2.2.8-3ubuntu1.1	2.2.8-3ubuntu1.1
	=18.10
All of
ubuntu/gpg-wks-client	<2.2.8-3ubuntu1.1	2.2.8-3ubuntu1.1
	=18.10
All of
ubuntu/gnupg	<2.2.4-1ubuntu1.2	2.2.4-1ubuntu1.2
	=18.04
All of
ubuntu/gpg-wks-client	<2.2.4-1ubuntu1.2	2.2.4-1ubuntu1.2
	=18.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

CVE-2018-1000858

Frequently Asked Questions

What is the vulnerability ID?
The vulnerability ID is USN-3853-1.
What is the title of the vulnerability?
The title of the vulnerability is GnuPG vulnerability.
What is the description of the vulnerability?
The vulnerability involves GnuPG incorrectly handling Web Key Directory lookups, which could allow a remote attacker to cause a denial of service or perform Cross-Site Request Forgery attacks.
Which software is affected by this vulnerability?
The affected software includes GnuPG version 2.2.8-3ubuntu1.1 and gpg-wks-client version 2.2.8-3ubuntu1.1 on Ubuntu 18.10, as well as GnuPG version 2.2.4-1ubuntu1.2 and gpg-wks-client version 2.2.4-1ubuntu1.2 on Ubuntu 18.04.
How can I fix this vulnerability?
To fix this vulnerability, you should update GnuPG and gpg-wks-client to the specified versions (2.2.8-3ubuntu1.1 for Ubuntu 18.10 and 2.2.4-1ubuntu1.2 for Ubuntu 18.04).

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