Ubuntu 4442-1: Sympa vulnerabilities

    Date 28 Jul 2020
    40
    Posted By LinuxSecurity Advisories
    Several security issues were fixed in Sympa.
    ==========================================================================
    Ubuntu Security Notice USN-4442-1
    July 28, 2020
    
    sympa vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 ESM
    
    Summary:
    
    Several security issues were fixed in Sympa.
    
    Software Description:
    - sympa: Modern mailing list manager
    
    Details:
    
    Michael Kaczmarczik discovered that Sympa incorrectly handled HTTP
    GET/POST requests. An attacker could possibly use this issue to insert,
    edit or obtain sensitive information. (CVE-2018-1000550)
    
    It was discovered that Sympa incorrectly handled URL parameters. An
    attacker could possibly use this issue to perform XSS attacks.
    (CVE-2018-1000671)
    
    Nicolas Chatelain discovered that Sympa incorrectly handled environment
    variables. An attacker could possibly use this issue with a setuid
    binary and gain root privileges. (CVE-2020-10936)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.04 ESM:
      sympa                           6.1.17~dfsg-1ubuntu0.1~esm1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4442-1
      CVE-2018-1000550, CVE-2018-1000671, CVE-2020-10936
    

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