Ubuntu 4129-1: curl vulnerabilities

    Date11 Sep 2019
    CategoryUbuntu
    486
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in curl.
    ==========================================================================
    Ubuntu Security Notice USN-4129-1
    September 11, 2019
    
    curl vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.04
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    Several security issues were fixed in curl.
    
    Software Description:
    - curl: HTTP, HTTPS, and FTP client and client libraries
    
    Details:
    
    Thomas Vegas discovered that curl incorrectly handled memory when using
    Kerberos over FTP.  A remote attacker could use this issue to crash curl,
    resulting in a denial of service. (CVE-2019-5481)
    
    Thomas Vegas discovered that curl incorrectly handled memory during TFTP
    transfers. A remote attacker could use this issue to crash curl, resulting
    in a denial of service, or possibly execute arbitrary code. (CVE-2019-5482)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.04:
      curl                            7.64.0-2ubuntu1.2
      libcurl3-gnutls                 7.64.0-2ubuntu1.2
      libcurl3-nss                    7.64.0-2ubuntu1.2
      libcurl4                        7.64.0-2ubuntu1.2
    
    Ubuntu 18.04 LTS:
      curl                            7.58.0-2ubuntu3.8
      libcurl3-gnutls                 7.58.0-2ubuntu3.8
      libcurl3-nss                    7.58.0-2ubuntu3.8
      libcurl4                        7.58.0-2ubuntu3.8
    
    Ubuntu 16.04 LTS:
      curl                            7.47.0-1ubuntu2.14
      libcurl3                        7.47.0-1ubuntu2.14
      libcurl3-gnutls                 7.47.0-1ubuntu2.14
      libcurl3-nss                    7.47.0-1ubuntu2.14
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4129-1
      CVE-2019-5481, CVE-2019-5482
    
    Package Information:
      https://launchpad.net/ubuntu/+source/curl/7.64.0-2ubuntu1.2
      https://launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.8
      https://launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.14
    
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