[IT-SecNots] [SECURITY] [DSA 4742-1] firejail security update

[Salvatore Bonaccorso <carnil AT debian.org>]

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Debian Security Advisory DSA-4742-1                   security AT debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
August 06, 2020                       https://www.debian.org/security/faq
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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: debian-security-announce AT lists.debian.org
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