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Gentoo: GLSA-201111-08 High: radvd Privilege Escalation and DoS Threat

gentoo
Calendar Grey November 20, 2011
Dist Gentoo Esm H88
Enhance radvd to address critical vulnerabilities such as privilege escalation and Denial of Service risks, following recommendations from the Gentoo security advisory.
Multiple vulnerabilities have been found in radvd which could potentially lead to privilege escalation, data loss, or a Denial of Service

Summary

Multiple vulnerabilities have been discovered in radvd. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory Gentoo privilege escalation DoS attack high risk network daemon

Resolution

All radvd users should upgrade to the latest stable version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/radvd-1.8.2"

References

[ 1 ] CVE-2011-3601 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3601 [ 2 ] CVE-2011-3602 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3602 [ 3 ] CVE-2011-3603 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3603 [ 4 ] CVE-2011-3604 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3604 [ 5 ] CVE-2011-3605 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3605

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201111-08
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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: radvd: Multiple vulnerabilities
Date: November 20, 2011
Bugs: #385967
ID: 201111-08

Topics%20covered

Topics Covered

security advisory Gentoo privilege escalation DoS attack high risk network daemon

Synopsis

Multiple vulnerabilities have been found in radvd which could potentially lead to privilege escalation, data loss, or a Denial of Service.

Background

radvd is an IPv6 router advertisement daemon for Linux and BSD.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/radvd < 1.8.2 >= 1.8.2

Impact

===== A remote unauthenticated attacker may be able to gain escalated privileges, escalate the privileges of the radvd process, overwrite files with specific names, or cause a Denial of Service. Local attackers may be able to overwrite the contents of arbitrary files using symlinks.

Workaround

There is no known workaround at this time.

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