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Ubuntu Security Notice USN-3494-1

Ubuntu Security Notice USN-3494-1
Posted Nov 27, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3494-1 - 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.

tags | advisory, remote, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-10672
MD5 | 4d10bef8b7f501f4c8cf320aa04f1117

Ubuntu Security Notice USN-3494-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3494-1
November 27, 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 versions:

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

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

References:
https://www.ubuntu.com/usn/usn-3494-1
CVE-2017-10672

Package Information:
https://launchpad.net/ubuntu/+source/libxml-libxml-perl/2.0128+dfsg-3ubuntu0.1
https://launchpad.net/ubuntu/+source/libxml-libxml-perl/2.0128+dfsg-1ubuntu0.1
https://launchpad.net/ubuntu/+source/libxml-libxml-perl/2.0123+dfsg-1ubuntu0.1
https://launchpad.net/ubuntu/+source/libxml-libxml-perl/2.0108+dfsg-1ubuntu0.2


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