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    Debian: DSA-4742-1: firejail security update

    Date
    164
    Posted By
    Tim Starling discovered two vulnerabilities in firejail, a sandbox program to restrict the running environment of untrusted applications. CVE-2020-17367
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-4742-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    August 06, 2020                       https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : firejail
    CVE ID         : CVE-2020-17367 CVE-2020-17368
    
    Tim Starling discovered two vulnerabilities in firejail, a sandbox
    program to restrict the running environment of untrusted applications.
    
    CVE-2020-17367
    
        It was reported that firejail does not respect the end-of-options
        separator ("--"), allowing an attacker with control over the command
        line options of the sandboxed application, to write data to a
        specified file.
    
    CVE-2020-17368
    
        It was reported that firejail when redirecting output via --output
        or --output-stderr, concatenates all command line arguments into a
        single string that is passed to a shell. An attacker who has control
        over the command line arguments of the sandboxed application could
        take advantage of this flaw to run run arbitrary other commands.
    
    For the stable distribution (buster), these problems have been fixed in
    version 0.9.58.2-2+deb10u1.
    
    We recommend that you upgrade your firejail packages.
    
    For the detailed security status of firejail please refer to its
    security tracker page at:
    https://security-tracker.debian.org/tracker/firejail
    
    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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