What is the severity of USN-3710-1?

The severity of USN-3710-1 is considered critical due to the potential for denial of service and possible remote code execution.

How do I fix USN-3710-1?

To fix USN-3710-1, update curl to version 7.58.0-2ubuntu3.2 or 7.55.1-1ubuntu2.6 depending on your Ubuntu version.

Which software is affected by USN-3710-1?

USN-3710-1 affects curl and various associated libraries including libcurl3, libcurl3-gnutls, libcurl3-nss, and libcurl4 on Ubuntu 18.04 and 17.10.

Can USN-3710-1 lead to a Denial of Service?

Yes, USN-3710-1 can be leveraged by an attacker to cause curl to crash, resulting in a Denial of Service.

Is remote code execution possible with USN-3710-1?

Yes, USN-3710-1 presents a vulnerability that may allow remote attackers to execute arbitrary code.

Vulnerability/
USN-3710-1

11/7/2018

USN-3710-1: curl vulnerability

First published: Wed Jul 11 2018(Updated: )

Peter Wu discovered that curl incorrectly handled certain SMTP buffers. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code.

Affected Software	Affected Version	How to fix
All of
ubuntu/curl	<7.58.0-2ubuntu3.2	7.58.0-2ubuntu3.2
Ubuntu OpenSSH Client	=18.04
All of
ubuntu/libcurl3-gnutls	<7.58.0-2ubuntu3.2	7.58.0-2ubuntu3.2
Ubuntu OpenSSH Client	=18.04
All of
ubuntu/libcurl3-nss	<7.58.0-2ubuntu3.2	7.58.0-2ubuntu3.2
Ubuntu OpenSSH Client	=18.04
All of
ubuntu/libcurl4	<7.58.0-2ubuntu3.2	7.58.0-2ubuntu3.2
Ubuntu OpenSSH Client	=18.04
All of
ubuntu/curl	<7.55.1-1ubuntu2.6	7.55.1-1ubuntu2.6
Ubuntu OpenSSH Client	=17.10
All of
ubuntu/libcurl3	<7.55.1-1ubuntu2.6	7.55.1-1ubuntu2.6
Ubuntu OpenSSH Client	=17.10
All of
ubuntu/libcurl3-gnutls	<7.55.1-1ubuntu2.6	7.55.1-1ubuntu2.6
Ubuntu OpenSSH Client	=17.10
All of
ubuntu/libcurl3-nss	<7.55.1-1ubuntu2.6	7.55.1-1ubuntu2.6
Ubuntu OpenSSH Client	=17.10

Never miss a vulnerability like this again

Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

CVE-2018-0500

Frequently Asked Questions

What is the severity of USN-3710-1?
The severity of USN-3710-1 is considered critical due to the potential for denial of service and possible remote code execution.
How do I fix USN-3710-1?
To fix USN-3710-1, update curl to version 7.58.0-2ubuntu3.2 or 7.55.1-1ubuntu2.6 depending on your Ubuntu version.
Which software is affected by USN-3710-1?
USN-3710-1 affects curl and various associated libraries including libcurl3, libcurl3-gnutls, libcurl3-nss, and libcurl4 on Ubuntu 18.04 and 17.10.
Can USN-3710-1 lead to a Denial of Service?
Yes, USN-3710-1 can be leveraged by an attacker to cause curl to crash, resulting in a Denial of Service.
Is remote code execution possible with USN-3710-1?
Yes, USN-3710-1 presents a vulnerability that may allow remote attackers to execute arbitrary code.

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