=========================================================================Ubuntu Security Notice USN-3498-2
December 04, 2017

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

- Ubuntu 12.04 ESM

Summary:

curl could be made to crash if it received specially crafted
input.

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

Details:

USN-3498-1 fixed a vulnerability in curl. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 It was discovered that curl incorrectly handled FTP wildcard matching.
 A remote attacker could use this issue to cause curl to crash,
 resulting in a denial of service, or possibly obtain sensitive
 information. (CVE-2017-8817)

Update instructions:

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

Ubuntu 12.04 ESM:
  curl                            7.22.0-3ubuntu4.19
  libcurl3                        7.22.0-3ubuntu4.19
  libcurl3-gnutls                 7.22.0-3ubuntu4.19
  libcurl3-nss                    7.22.0-3ubuntu4.19

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

References:
  https://ubuntu.com/security/notices/USN-3498-2
  
  CVE-2017-8817