[USN-3710-1] curl vulnerability

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-3710-1
July 11, 2018

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

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

- Ubuntu 18.04 LTS
- Ubuntu 17.10

Summary:

curl could be made to crash or run programs if it received specially
crafted network traffic.

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

Details:

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.

Update instructions:

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

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

Ubuntu 17.10:
  curl                            7.55.1-1ubuntu2.6
  libcurl3                        7.55.1-1ubuntu2.6
  libcurl3-gnutls                 7.55.1-1ubuntu2.6
  libcurl3-nss                    7.55.1-1ubuntu2.6

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

References:
  https://usn.ubuntu.com/usn/usn-3710-1
  CVE-2018-0500

Package Information:
  https://launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.2
  https://launchpad.net/ubuntu/+source/curl/7.55.1-1ubuntu2.6

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