Mageia 2020-0276: mailman security update

    Date 05 Jul 2020
    193
    Posted By LinuxSecurity Advisories
    Updated mailman package fixes security vulnerability: Up to mailman 2.1.29 when sending a file without a file extension (or an unknown file extension) then the file is stored in the list archive with the file extension .obj. Most web servers will try to assign a mime type
    MGASA-2020-0276 - Updated mailman packages fix security vulnerability
    
    Publication date: 05 Jul 2020
    URL: https://advisories.mageia.org/MGASA-2020-0276.html
    Type: security
    Affected Mageia releases: 7
    CVE: CVE-2020-12137,
         CVE-2020-12108,
         CVE-2020-15011
    
    Updated mailman package fixes security vulnerability:
    
    Up to mailman 2.1.29 when sending a file without a file extension (or an
    unknown file extension) then the file is stored in the list archive with
    the file extension .obj. Most web servers will try to assign a mime type
    based on the file extension and entries in /etc/mime.types, where .obj is
    usually not specified. This means the web server will send it out without
    a mime type. 
    The browser will then try to guess the MIME type based on the file's
    content (MIME-sniffing). If the content is HTML then it will execute any
    javascript contained, leading to a potential cross-site scripting
    vulnerability.
    
    The mailman package has been updated to version 2.1.30, fixing this bug
    and other issues.  See the release announcement for details.
    
    References:
    - https://bugs.mageia.org/show_bug.cgi?id=26253
    - https://www.openwall.com/lists/oss-security/2020/02/24/2
    - https://mail.python.org/pipermail/mailman-announce/2020-April/000250.html
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12137
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12108
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15011
    
    SRPMS:
    - 7/core/mailman-2.1.33-1.mga7
    

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