[USN-3554-1] curl vulnerabilities

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-3554-1
January 31, 2018

curl vulnerabilities
==========================================================================

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

- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in curl.

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

Details:

It was discovered that curl incorrectly handled certain data. An
attacker could possibly use this to cause a denial of service or even
to get access to sensitive data. This issue only affected Ubuntu 16.04
LTS and Ubuntu 17.10.

It was discovered that curl could accidentally leak authentication
data. An attacker could possibly use this to get access to sensitive
information. (CVE-2018-1000007)

Update instructions:

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

Ubuntu 17.10:
  curl                            7.55.1-1ubuntu2.3
  libcurl3                        7.55.1-1ubuntu2.3
  libcurl3-gnutls                 7.55.1-1ubuntu2.3
  libcurl3-nss                    7.55.1-1ubuntu2.3

Ubuntu 16.04 LTS:
  curl                            7.47.0-1ubuntu2.6
  libcurl3                        7.47.0-1ubuntu2.6
  libcurl3-gnutls                 7.47.0-1ubuntu2.6
  libcurl3-nss                    7.47.0-1ubuntu2.6

Ubuntu 14.04 LTS:
  curl                            7.35.0-1ubuntu2.14
  libcurl3                        7.35.0-1ubuntu2.14
  libcurl3-gnutls                 7.35.0-1ubuntu2.14
  libcurl3-nss                    7.35.0-1ubuntu2.14

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

References:
  https://www.ubuntu.com/usn/usn-3554-1
  CVE-2018-1000005, CVE-2018-1000007

Package Information:
  https://launchpad.net/ubuntu/+source/curl/7.55.1-1ubuntu2.3
  https://launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.6
  https://launchpad.net/ubuntu/+source/curl/7.35.0-1ubuntu2.14
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