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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.0630
                    USN-4741-1: Jackson vulnerabilities
                             19 February 2021

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

Product:           Jackson
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
                   Reduced Security                -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-10172 CVE-2017-15095 CVE-2017-7525
                   CVE-2016-3720  

Reference:         ESB-2019.1988
                   ESB-2019.0664
                   ESB-2019.0037

Original Bulletin: 
   https://ubuntu.com/security/notices/USN-4741-1

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USN-4741-1: Jackson vulnerabilities
18 February 2021

Jackson could be made to crash if it opened a specially crafted
file.
Releases

  o Ubuntu 16.04 LTS

Packages

  o libjackson-json-java - Suite of data-processing tools for Java

Details

It was discovered that Jackson Databind incorrectly handled
deserialization. An attacker could possibly use this issue to execute
arbitrary code.

Update instructions

The problem can be corrected by updating your system to the following package
versions:

Ubuntu 16.04

  o libjackson-json-java - 1.9.2-7ubuntu0.2

In general, a standard system update will make all the necessary changes.

References

  o CVE-2017-15095
  o CVE-2017-7525
  o CVE-2019-10172

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