What is the severity of USN-4569-1?

The severity of USN-4569-1 is high due to the potential for XML External Entity (XXE) injection exploits.

How do I fix USN-4569-1?

To fix USN-4569-1, update the affected packages to version 2.0.4+dfsg-2ubuntu0.1 on Ubuntu 18.04.

What products are affected by USN-4569-1?

USN-4569-1 affects the erlang-yapp, erlang-yaws, yaws, and yaws-mail packages in Ubuntu 18.04.

Can USN-4569-1 lead to data breaches?

Yes, USN-4569-1 can potentially lead to data breaches if exploited through an XML External Entity injection.

How does USN-4569-1 impact system security?

USN-4569-1 impacts system security by allowing remote attackers to execute unauthorised commands via improper handling of XML input.

Vulnerability/
USN-4569-1

5/10/2020

USN-4569-1: Yaws vulnerabilities

First published: Mon Oct 05 2020(Updated: )

It was discovered that Yaws did not properly sanitize XML input. A remote attacker could use this vulnerability to execute an XML External Entity (XXE) injection attack. (CVE-2020-24379) It was discovered that Yaws mishandled certain input when running CGI scripts. A remote attacker could use this vulnerability to execute arbitrary commands. (CVE-2020-24916)

Affected Software	Affected Version	How to fix
All of
ubuntu/erlang-yapp	<2.0.4+dfsg-2ubuntu0.1	2.0.4+dfsg-2ubuntu0.1
Ubuntu	=18.04
All of
ubuntu/erlang-yaws	<2.0.4+dfsg-2ubuntu0.1	2.0.4+dfsg-2ubuntu0.1
Ubuntu	=18.04
All of
ubuntu/yaws	<2.0.4+dfsg-2ubuntu0.1	2.0.4+dfsg-2ubuntu0.1
Ubuntu	=18.04
All of
ubuntu/yaws-mail	<2.0.4+dfsg-2ubuntu0.1	2.0.4+dfsg-2ubuntu0.1
Ubuntu	=18.04

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(Contains the following vulnerabilities)

Frequently Asked Questions

What is the severity of USN-4569-1?
The severity of USN-4569-1 is high due to the potential for XML External Entity (XXE) injection exploits.
How do I fix USN-4569-1?
To fix USN-4569-1, update the affected packages to version 2.0.4+dfsg-2ubuntu0.1 on Ubuntu 18.04.
What products are affected by USN-4569-1?
USN-4569-1 affects the erlang-yapp, erlang-yaws, yaws, and yaws-mail packages in Ubuntu 18.04.
Can USN-4569-1 lead to data breaches?
Yes, USN-4569-1 can potentially lead to data breaches if exploited through an XML External Entity injection.
How does USN-4569-1 impact system security?
USN-4569-1 impacts system security by allowing remote attackers to execute unauthorised commands via improper handling of XML input.

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