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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.3734
                     jackson-databind security update
                              7 October 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           jackson-databind
Publisher:         Debian
Operating System:  Debian GNU/Linux 9
                   Debian GNU/Linux 10
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Read-only Data Access           -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-16943 CVE-2019-16942 CVE-2019-16335
                   CVE-2019-14540 CVE-2019-14439 CVE-2019-12384

Reference:         ESB-2019.3722
                   ESB-2019.2731
                   ESB-2019.2235

Original Bulletin: 
   http://www.debian.org/security/2019/dsa-4542

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Debian Security Advisory DSA-4542-1                   security@debian.org
https://www.debian.org/security/                       Sebastien Delafond
October 06, 2019                      https://www.debian.org/security/faq
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Package        : jackson-databind
CVE ID         : CVE-2019-12384 CVE-2019-14439 CVE-2019-14540 CVE-2019-16335 
                 CVE-2019-16942 CVE-2019-16943
Debian Bug     : 941530 940498 933393 930750

It was discovered that jackson-databind, a Java library used to parse
JSON and other data formats, did not properly validate user input
before attempting deserialization. This allowed an attacker providing
maliciously crafted input to perform code execution, or read arbitrary
files on the server.

For the oldstable distribution (stretch), these problems have been fixed
in version 2.8.6-1+deb9u6.

For the stable distribution (buster), these problems have been fixed in
version 2.9.8-3+deb10u1.

We recommend that you upgrade your jackson-databind packages.

For the detailed security status of jackson-databind please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/jackson-databind

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@lists.debian.org
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===========================================================================
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