==========================================================================
Ubuntu Security Notice USN-4466-1
August 19, 2020

curl vulnerability
==========================================================================

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

– Ubuntu 20.04 LTS
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS

Summary:

curl could be made to expose sensitive information over the network.

Software Description:
– curl: HTTP, HTTPS, and FTP client and client libraries

Details:

Marc Aldorasi discovered that curl incorrectly handled the libcurl
CURLOPT_CONNECT_ONLY option. This could result in data being sent to the
wrong destination, possibly exposing sensitive information.

Update instructions:

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

Ubuntu 20.04 LTS:
curl 7.68.0-1ubuntu2.2
libcurl3-gnutls 7.68.0-1ubuntu2.2
libcurl3-nss 7.68.0-1ubuntu2.2
libcurl4 7.68.0-1ubuntu2.2

Ubuntu 18.04 LTS:
curl 7.58.0-2ubuntu3.10
libcurl3-gnutls 7.58.0-2ubuntu3.10
libcurl3-nss 7.58.0-2ubuntu3.10
libcurl4 7.58.0-2ubuntu3.10

Ubuntu 16.04 LTS:
curl 7.47.0-1ubuntu2.16
libcurl3 7.47.0-1ubuntu2.16
libcurl3-gnutls 7.47.0-1ubuntu2.16
libcurl3-nss 7.47.0-1ubuntu2.16

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

References:
https://usn.ubuntu.com/4466-1
CVE-2020-8231

Package Information:
https://launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu2.2
https://launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.10
https://launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.16

—–BEGIN PGP SIGNATURE—–
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=y6HF
—–END PGP SIGNATURE—–
—