Ubuntu 3658-3: procps-ng vulnerabilities

    Date16 Aug 2018
    CategoryUbuntu
    2987
    Posted ByAnthony Pell
    Several security issues were fixed in procps-ng.
    ==========================================================================
    Ubuntu Security Notice USN-3658-3
    August 16, 2018
    
    procps vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.04 ESM
    
    Summary:
    
    Several security issues were fixed in procps-ng.
    
    Software Description:
    - procps: /proc file system utilities
    
    Details:
    
    USN-3658-1 fixed a vulnerability in procps-ng. This update provides
    the corresponding update for Ubuntu 12.04 ESM.
    
    Original advisory details:
    
     It was discovered that the procps-ng top utility incorrectly read its
     configuration file from the current working directory. A local
     attacker could possibly use this issue to escalate privileges.
     (CVE-2018-1122)
    
     It was discovered that the procps-ng ps tool incorrectly handled
     memory. A local user could possibly use this issue to cause a denial
     of service. (CVE-2018-1123)
    
     It was discovered that the procps-ng pgrep utility incorrectly handled
     memory. A local attacker could possibly use this issue to cause de
     denial of service. (CVE-2018-1125)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.04 ESM:
      procps                          1:3.2.8-11ubuntu6.6
    
    In general, a standard system update will make all the necessary
    changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3658-3
      https://usn.ubuntu.com/usn/usn-3658-1
      CVE-2018-1122, CVE-2018-1123, CVE-2018-1125
    
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