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List:       ubuntu-security-announce
Subject:    [USN-3598-2] curl vulnerabilities
From:       "Leonidas S. Barbosa" <leo.barbosa () canonical ! com>
Date:       2018-05-24 17:24:37
Message-ID: 1527182677.30594.17.camel () canonical ! com
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==========================================================================
Ubuntu Security Notice USN-3598-2
May 24, 2018

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

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

- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in curl.

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

Details:

USN-3598-1 fixed a vulnerability in curl. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory 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)

  Max Dymond discovered that curl incorrectly handled certain RTSP
  responses. If a user or automated system were tricked into connecting
  to a malicious server, a remote attacker could use this issue to cause
  curl to crash, resulting in a denial of service, or possibly obtain
  sensitive information. (CVE-2018-1000301)

Update instructions:

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

Ubuntu 12.04 ESM:
   curl                                                        7.22.0-3ubuntu4.21
   libcurl3                                                7.22.0-3ubuntu4.21
   libcurl3-gnutls                                  7.22.0-3ubuntu4.21
   libcurl3-nss                                        7.22.0-3ubuntu4.21

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

References:
   https://usn.ubuntu.com/usn/usn-3598-2
   https://usn.ubuntu.com/usn/usn-3598-1
   CVE-2018-1000120, CVE-2018-1000121, CVE-2018-1000122, CVE-2018-1000301
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