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Gentoo: 202310-15 Urgent: ntpd Denial of Service Vulnerability

gentoo
Calendar Grey July 20, 2016
Dist Gentoo Esm H88
The arpwatch tool in Gentoo contains a critical vulnerability risking privilege escalation. Users must update their software to maintain system security. Find out more here
arpwatch is vulnerable to the escalation of privileges.

Summary

Arpwatch does not properly drop supplementary groups.

Topics%20covered

Topics Covered

security advisory high severity gentoo privilege escalation system update arpwatch attack impact

Resolution

All arpwatch users should upgrade to the latest version: # emerge --sync # emerge --ask -v --oneshot ">=net-analyzer/arpwatch-2.1.15-r8"

References

[ 1 ] CVE-2012-2653 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-2653

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201607-16
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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: arpwatch: Privilege escalation
Date: July 20, 2016
Bugs: #419375
ID: 201607-16

Topics%20covered

Topics Covered

security advisory high severity gentoo privilege escalation system update arpwatch attack impact

Synopsis

arpwatch is vulnerable to the escalation of privileges.

Background

The ethernet monitor program; for keeping track of ethernet/ip address pairings.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-analyzer/arpwatch < 2.1.15-r8 >= 2.1.15-r8

Impact

===== Attackers, if able to exploit arpwatch, could escalate privileges outside of the running process.

Workaround

There is no known workaround at this time.

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