Ubuntu 3811-1: SpamAssassin vulnerabilities

    Date06 Nov 2018
    CategoryUbuntu
    3068
    Posted ByAnthony Pell
    Several security issues were fixed in SpamAssassin.
    ==========================================================================
    Ubuntu Security Notice USN-3811-1
    November 06, 2018
    
    spamassassin vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    
    Summary:
    
    Several security issues were fixed in SpamAssassin.
    
    Software Description:
    - spamassassin: Perl-based spam filter using text analysis
    
    Details:
    
    It was discovered that SpamAssassin incorrectly handled certain unclosed
    tags in emails. A remote attacker could possibly use this issue to cause a
    denial of service. (CVE-2017-15705)
    
    It was discovered that SpamAssassin incorrectly handled the PDFInfo plugin.
    A remote attacker could possibly use this issue to execute arbitrary code.
    (CVE-2018-11780)
    
    It was discovered that SpamAssassin incorrectly handled meta rule syntax. A
    local attacker could possibly use this issue to execute arbitrary code.
    (CVE-2018-11781)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 18.04 LTS:
      spamassassin                    3.4.2-0ubuntu0.18.04.1
    
    Ubuntu 16.04 LTS:
      spamassassin                    3.4.2-0ubuntu0.16.04.1
    
    Ubuntu 14.04 LTS:
      spamassassin                    3.4.2-0ubuntu0.14.04.1
    
    This update uses a new upstream release, which includes additional bug
    fixes. In general, a standard system update will make all the necessary
    changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3811-1
      CVE-2017-15705, CVE-2018-11780, CVE-2018-11781
    
    Package Information:
      https://launchpad.net/ubuntu/+source/spamassassin/3.4.2-0ubuntu0.18.04.1
      https://launchpad.net/ubuntu/+source/spamassassin/3.4.2-0ubuntu0.16.04.1
      https://launchpad.net/ubuntu/+source/spamassassin/3.4.2-0ubuntu0.14.04.1
    
    
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