Executive Summary

Summary
TitleNX Server Free Edition, NX Node: Privilege escalation
Informations
NameGLSA-201201-07First vendor Publication2012-01-23
VendorGentooLast vendor Modification2012-01-23
Severity (Vendor) HighRevisionN/A

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score7.2Attack RangeLocal
Cvss Impact Score10Attack ComplexityLow
Cvss Expoit Score3.9AuthentificationNone Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

An unspecified vulnerability in NX Server Free Edition and NX Node could allow local attackers to gain root privileges.

Background

NX Server Free Edition is a remote display technology by No Machine. NX Node provides the shared components for NX Server.

Description

NX Server Free Edition and NX Node use nxconfigure.sh, a setuid script containing an unspecified vulnerability.

Impact

A local attacker could gain escalated privileges.

Workaround

There is no known workaround at this time.

Resolution

All NX Server Free Edition users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot -v ">=net-misc/nxserver-freeedition-3.5.0.5"

All NX Node users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/nxnode-3.5.0.4"

NOTE: This is a legacy GLSA. Updates for all affected architectures are available since August 23, 2011. It is likely that your system is already no longer affected by this issue.

References

[ 1 ] CVE-2011-3977 : http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-3977

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-201201-07.xml

Original Source

Url : http://security.gentoo.org/glsa/glsa-201201-07.xml

CPE : Common Platform Enumeration

TypeDescriptionCount
Application3
Application3

Open Source Vulnerability Database (OSVDB)

idDescription
75654NX Multiple Product usr/NX/scripts/restricted/nxconfigure.sh Unspecified Loca...