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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <821d224d-7e8d-2ae4-e33b-5cc16405eae0@canonical.com>
Subject: [USN-3598-1] curl vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-3598-1
March 15, 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:

Phan Thanh discovered that curl incorrectly handled certain FTP paths. An
attacker could use this to cause a denial of service or possibly execute
arbitrary code. (CVE-2018-1000120)

Dario Weisser discovered that curl incorrectly handled certain LDAP URLs.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-1000121)

Max Dymond discovered that curl incorrectly handled certain RTSP data. An
attacker could possibly use this to cause a denial of service or even to
get access to sensitive data. (CVE-2018-1000122)

Update instructions:

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

Ubuntu 17.10:
  curl                            7.55.1-1ubuntu2.4
  libcurl3                        7.55.1-1ubuntu2.4
  libcurl3-gnutls                 7.55.1-1ubuntu2.4
  libcurl3-nss                    7.55.1-1ubuntu2.4

Ubuntu 16.04 LTS:
  curl                            7.47.0-1ubuntu2.7
  libcurl3                        7.47.0-1ubuntu2.7
  libcurl3-gnutls                 7.47.0-1ubuntu2.7
  libcurl3-nss                    7.47.0-1ubuntu2.7

Ubuntu 14.04 LTS:
  curl                            7.35.0-1ubuntu2.15
  libcurl3                        7.35.0-1ubuntu2.15
  libcurl3-gnutls                 7.35.0-1ubuntu2.15
  libcurl3-nss                    7.35.0-1ubuntu2.15

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

References:
  https://usn.ubuntu.com/usn/usn-3598-1
  CVE-2018-1000120, CVE-2018-1000121, CVE-2018-1000122

Package Information:
  https://launchpad.net/ubuntu/+source/curl/7.55.1-1ubuntu2.4
  https://launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.7
  https://launchpad.net/ubuntu/+source/curl/7.35.0-1ubuntu2.15


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