Ubuntu 3598-2: curl vulnerabilities

    Date24 May 2018
    CategoryUbuntu
    5035
    Posted ByAnthony Pell
    Several security issues were fixed in curl.
    ==========================================================================
    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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