Ubuntu 3048-1: curl vulnerabilities

    Date08 Aug 2016
    CategoryUbuntu
    58
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in curl.
    ==========================================================================
    Ubuntu Security Notice USN-3048-1
    August 08, 2016
    
    curl vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    - Ubuntu 12.04 LTS
    
    Summary:
    
    Several security issues were fixed in curl.
    
    Software Description:
    - curl: HTTP, HTTPS, and FTP client and client libraries
    
    Details:
    
    Bru Rom discovered that curl incorrectly handled client certificates when
    resuming a TLS session. (CVE-2016-5419)
    
    It was discovered that curl incorrectly handled client certificates when
    reusing TLS connections. (CVE-2016-5420)
    
    Marcelo Echeverria and Fernando Muñoz discovered that curl incorrectly
    reused a connection struct, contrary to expectations. This issue only
    applied to Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-5421)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 16.04 LTS:
      libcurl3                        7.47.0-1ubuntu2.1
      libcurl3-gnutls                 7.47.0-1ubuntu2.1
      libcurl3-nss                    7.47.0-1ubuntu2.1
    
    Ubuntu 14.04 LTS:
      libcurl3                        7.35.0-1ubuntu2.8
      libcurl3-gnutls                 7.35.0-1ubuntu2.8
      libcurl3-nss                    7.35.0-1ubuntu2.8
    
    Ubuntu 12.04 LTS:
      libcurl3                        7.22.0-3ubuntu4.16
      libcurl3-gnutls                 7.22.0-3ubuntu4.16
      libcurl3-nss                    7.22.0-3ubuntu4.16
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-3048-1
      CVE-2016-5419, CVE-2016-5420, CVE-2016-5421
    
    Package Information:
      https://launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.1
      https://launchpad.net/ubuntu/+source/curl/7.35.0-1ubuntu2.8
      https://launchpad.net/ubuntu/+source/curl/7.22.0-3ubuntu4.16
    
    
    
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