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Gentoo: GLSA-201201-07 High: NX Server Free Edition Privilege Escalation

gentoo
Calendar Grey January 23, 2012
Dist Gentoo Esm H88
NX Server Community Edition vulnerabilities in Gentoo may permit local intruders to gain root privileges; it is advised to upgrade to counter potential threats.
An unspecified vulnerability in NX Server Free Edition and NX Node could allow local attackers to gain root privileges.

Summary

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

Topics%20covered

Topics Covered

security advisory gentoo privilege escalation high local attack nx server

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: https://security.gentoo.org/glsa/201201-07
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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 security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: High
Title: NX Server Free Edition, NX Node: Privilege escalation
Date: January 23, 2012
Bugs: #378345
ID: 201201-07

Topics%20covered

Topics Covered

security advisory gentoo privilege escalation high local attack nx server

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.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/nxserver-freeedition < 3.5.0.5 >= 3.5.0.5 2 net-misc/nxnode < 3.5.0.4 >= 3.5.0.4 ------------------------------------------------------------------- 2 affected packages

Impact

===== A local attacker could gain escalated privileges.

Workaround

There is no known workaround at this time.

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