Gentoo: GLSA-201802-12 Normal: OpenSSH Session Hijacking Vulnerability
gentoo
November 15, 2016
A vulnerability in xinetd could lead to privilege escalation.
Summary
Xinetd does not enforce the user and group configuration directives for TCPMUX services, which causes these services to be run as root.
Resolution
All xinetd users should upgrade to the latest version:
# emerge --sync
# emerge --ask --verbose --oneshot ">=sys-apps/xinetd-2.3.15-r2"
References
[ 1 ] CVE-2013-4342 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4342
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201611-06
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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.
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Severity: Normal
Title: xinetd: Privilege escalation
Date: November 15, 2016
Bugs: #488158
ID: 201611-06
Background
xinetd is a secure replacement for inetd.
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Affected Packages
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Package / Vulnerable / Unaffected
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1 sys-apps/xinetd < 2.3.15-r2 >= 2.3.15-r2
Impact
=====
Attackers could escalate privileges outside of the running process.
Workaround
There is no known workaround at this time.
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