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AUSCERT External Security Bulletin Redistribution
ESB-2019.3929
USN-4164-1: Libxslt vulnerabilities
23 October 2019
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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
ESB-2019.2660
Original Bulletin:
https://usn.ubuntu.com/4164-1/
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
Summary
Several security issues were fixed in Libxslt.
Software Description
o libxslt - XSLT processing library
Details
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.
(CVE-2019-18197)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
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.
References
o CVE-2019-13117
o CVE-2019-13118
o CVE-2019-18197
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