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AUSCERT External Security Bulletin Redistribution
ESB-2017.3007
XML::LibXML vulnerability
28 November 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: libxml-libxml-perl
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2017-10672
Reference: ESB-2017.2967
Original Bulletin:
http://www.ubuntu.com/usn/usn-3494-1
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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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