Linux Security
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    Debian: DSA-4428-1: systemd security update

    Date
    7184
    Posted By
    Jann Horn discovered that the PAM module in systemd insecurely uses the environment and lacks seat verification permitting spoofing an active session to PolicyKit. A remote attacker with SSH access can take advantage of this issue to gain PolicyKit privileges that are normally
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-4428-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    April 08, 2019                        https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : systemd
    CVE ID         : CVE-2019-3842
    
    Jann Horn discovered that the PAM module in systemd insecurely uses the
    environment and lacks seat verification permitting spoofing an active
    session to PolicyKit. A remote attacker with SSH access can take
    advantage of this issue to gain PolicyKit privileges that are normally
    only granted to clients in an active session on the local console.
    
    For the stable distribution (stretch), this problem has been fixed in
    version 232-25+deb9u11.
    
    This update includes updates previously scheduled to be released in the
    stretch 9.9 point release.
    
    We recommend that you upgrade your systemd packages.
    
    For the detailed security status of systemd please refer to its security
    tracker page at:
    https://security-tracker.debian.org/tracker/systemd
    
    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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