Ubuntu 4237-2: SpamAssassin vulnerabilities

    Date 15 Jan 2020
    574
    Posted By LinuxSecurity Advisories
    Several security issues were fixed in SpamAssassin.
    ==========================================================================
    Ubuntu Security Notice USN-4237-2
    January 15, 2020
    
    spamassassin vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 ESM
    - Ubuntu 12.04 ESM
    
    Summary:
    
    Several security issues were fixed in SpamAssassin.
    
    Software Description:
    - spamassassin: Perl-based spam filter using text analysis
    
    Details:
    
    USN-4237-1 fixed several vulnerabilities in SpamAssassin. This update provides
    the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM.
    
    Original advisory details:
    
     It was discovered that SpamAssassin incorrectly handled certain CF files.
     If a user or automated system were tricked into using a specially-crafted
     CF file, a remote attacker could possibly run arbitrary code.
     (CVE-2018-11805)
    
     It was discovered that SpamAssassin incorrectly handled certain messages.
     A remote attacker could possibly use this issue to cause SpamAssassin to
     consume resources, resulting in a denial of service. (CVE-2019-12420)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.04 ESM:
      spamassassin                    3.4.2-0ubuntu0.14.04.1+esm1
    
    Ubuntu 12.04 ESM:
      spamassassin                    3.4.2-0ubuntu0.12.04.3
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4237-2
      https://usn.ubuntu.com/4237-1
      CVE-2018-11805, CVE-2019-12420
    

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