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             AUSCERT External Security Bulletin Redistribution

                    USN-4164-1: Libxslt vulnerabilities
                              23 October 2019


        AusCERT Security Bulletin Summary

Product:           Libxslt
Publisher:         Ubuntu
Operating System:  Ubuntu
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Access Confidential Data        -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-18197 CVE-2019-13118 CVE-2019-13117

Reference:         ESB-2019.2737

Original Bulletin: 

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Ubuntu. It is recommended that administrators 
         running Libxslt check for an updated version of the software for 
         their operating system.

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USN-4164-1: Libxslt vulnerabilities
22 October 2019

libxslt vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:

  o Ubuntu 19.10
  o Ubuntu 19.04
  o Ubuntu 18.04 LTS
  o Ubuntu 16.04 LTS
  o Ubuntu 14.04 ESM
  o Ubuntu 12.04 ESM


Several security issues were fixed in Libxslt.

Software Description

  o libxslt - XSLT processing library


It was discovered that Libxslt incorrectly handled certain documents. An
attacker could possibly use this issue to access sensitive information. This
issue not affected Ubuntu 19.10. (CVE-2019-13117, CVE-2019-13118)

It was discovered that Libxslt incorrectly handled certain documents. 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

Ubuntu 19.10
    libxslt1.1 - 1.1.33-0ubuntu1.1
Ubuntu 19.04
    libxslt1.1 - 1.1.32-2ubuntu0.2
Ubuntu 18.04 LTS
    libxslt1.1 - 1.1.29-5ubuntu0.2
Ubuntu 16.04 LTS
    libxslt1.1 - 1.1.28-2.1ubuntu0.3
Ubuntu 14.04 ESM
    libxslt1.1 - 1.1.28-2ubuntu0.2+esm1
Ubuntu 12.04 ESM
    libxslt1.1 - 1.1.26-8ubuntu1.6

To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .

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


  o CVE-2019-13117
  o CVE-2019-13118
  o CVE-2019-18197

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