SecurityvulnsSECURITYVULNS:DOC:19584[ GLSA 200804-05 ] NX: User-assisted execution of arbitrary code
Gentoo Linux Security Advisory GLSA 200804-05:02
http://security.gentoo.org/
Severity: Normal
Title: NX: User-assisted execution of arbitrary code
Date: April 06, 2008
Updated: April 06, 2008
Bugs: #210317
ID: 200804-05:02
Synopsis
NX uses code from the X.org X11 server which is prone to multiple
vulnerabilities.
Background
NoMachine's NX establishes remote connections to X11 desktops over
small bandwidth links. NX and NX Node are the compression core
libraries, whereas NX is used by FreeNX and NX Node by the binary-only
NX servers.
Affected packages
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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/nxnode < 3.1.0-r2 >= 3.1.0-r2
2 net-misc/nx < 3.1.0-r1 >= 3.1.0-r1
-------------------------------------------------------------------
2 affected packages on all of their supported architectures.
-------------------------------------------------------------------
Description
Multiple integer overflow and buffer overflow vulnerabilities have been
discovered in the X.Org X server as shipped by NX and NX Node
(vulnerabilities 1-4 in GLSA 200801-09).
Impact
A remote attacker could exploit these vulnerabilities via unspecified
vectors, leading to the execution of arbitrary code with the privileges
of the user on the machine running the NX server.
Workaround
There is no known workaround at this time.
Resolution
All NX Node users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/nxnode-3.1.0-r2"
All NX users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/nx-3.1.0-r1"
References
[ 1 ] GLSA 200801-09
http://www.gentoo.org/security/en/glsa/glsa-200801-09.xml
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200804-05.xml
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
[email protected] or alternatively, you may file a bug at
http://bugs.gentoo.org.
License
Copyright 2008 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.