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    Debian: DSA-4488-1: exim4 security update

    Date 25 Jul 2019
    7224
    Posted By LinuxSecurity Advisories
    Jeremy Harris discovered that Exim, a mail transport agent, does not properly handle the ${sort } expansion. This flaw can be exploited by a remote attacker to execute programs with root privileges in non-default (and unusual) configurations where ${sort } expansion is used for items
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-4488-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    July 25, 2019                         https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : exim4
    CVE ID         : CVE-2019-13917
    
    Jeremy Harris discovered that Exim, a mail transport agent, does not
    properly handle the ${sort } expansion. This flaw can be exploited by a
    remote attacker to execute programs with root privileges in non-default
    (and unusual) configurations where ${sort } expansion is used for items
    that can be controlled by an attacker.
    
    For the oldstable distribution (stretch), this problem has been fixed
    in version 4.89-2+deb9u5.
    
    For the stable distribution (buster), this problem has been fixed in
    version 4.92-8+deb10u1.
    
    We recommend that you upgrade your exim4 packages.
    
    For the detailed security status of exim4 please refer to its security
    tracker page at:
    https://security-tracker.debian.org/tracker/exim4
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    

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