Ubuntu Security Update USN-3494-1: XML::LibXML vulnerability

[LinuxBot]

Ubuntu Security Notice USN-3494-1


27th November, 2017

libxml-libxml-perl vulnerability


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

• Ubuntu 17.10
• Ubuntu 17.04
• Ubuntu 16.04 LTS
• Ubuntu 14.04 LTS

Summary


XML::LibXML could be made to crash or run programs if it processed specially crafted input.

Software description

• libxml-libxml-perl - Perl interface to the libxml2 library

Details


It was discovered that XML::LibXML incorrectly handled memory when
processing a replaceChild call. A remote 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 version:

Ubuntu 17.10:
libxml-libxml-perl 2.0128+dfsg-3ubuntu0.1
Ubuntu 17.04:
libxml-libxml-perl 2.0128+dfsg-1ubuntu0.1
Ubuntu 16.04 LTS:
libxml-libxml-perl 2.0123+dfsg-1ubuntu0.1
Ubuntu 14.04 LTS:
libxml-libxml-perl 2.0108+dfsg-1ubuntu0.2

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.

References


CVE-2017-10672

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