Ubuntu 4268-1: OpenSMTPD vulnerability

    Date 05 Feb 2020
    257
    Posted By LinuxSecurity Advisories
    OpenSMTPD could be made to run programs as root if it received specially crafted input over the network.
    ==========================================================================
    Ubuntu Security Notice USN-4268-1
    February 05, 2020
    
    OpenSMTPD vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.10
    - Ubuntu 18.04 LTS
    
    Summary:
    
    OpenSMTPD could be made to run programs as root if it received specially
    crafted input over the network.
    
    Software Description:
    - opensmtpd: secure, reliable, lean, and easy-to configure SMTP server
    
    Details:
    
    It was discovered that OpenSMTPD incorrectly verified the sender's or
    receiver's e-mail addresses under certain conditions. An attacker could use
    this vulnerability to execute arbitrary commands as root.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.10:
      opensmtpd                       6.0.3p1-6ubuntu0.1
    
    Ubuntu 18.04 LTS:
      opensmtpd                       6.0.3p1-1ubuntu0.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4268-1
      CVE-2020-7247
    
    Package Information:
      https://launchpad.net/ubuntu/+source/opensmtpd/6.0.3p1-6ubuntu0.1
      https://launchpad.net/ubuntu/+source/opensmtpd/6.0.3p1-1ubuntu0.1
    
    

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    [{"id":"112","title":"I strongly support this change - racially charged language should not be used in the code and documentation of the kernel and other open-source projects.","votes":"3","type":"x","order":"1","pct":42.86,"resources":[]},{"id":"113","title":"I'm indifferent - this small change will not affect broader issues of racial insensitivity and white privilege.","votes":"2","type":"x","order":"2","pct":28.57,"resources":[]},{"id":"114","title":"I'm opposed to this change - there is no need to change language that has been used for years. It doesn't make sense for people to take offense to terminology used in community projects.","votes":"2","type":"x","order":"3","pct":28.57,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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