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Gentoo: 201612-45 Moderate: Denial of Service Threat in Tor

gentoo
Calendar Grey December 24, 2016
Dist Gentoo Esm H88
Numerous security flaws identified in Tor present a possible Denial of Service threat; all users are advised to perform an upgrade.
Multiple vulnerabilities were found in Tor, the worst of which could allow remote attackers to cause a Denial of Service condition.

Summary

Multiple vulnerabilities have been discovered in Tor. Please review the CVE identifier and change log referenced below for details.

Topics%20covered

Topics Covered

security advisory moderate Gentoo update Denial of Service risk Tor

Resolution

All Tor users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/tor-0.2.8.9"

References

[ 1 ] CVE-2016-8860 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-8860 [ 2 ] Tor 0.2.8.9 Change Log https://raw.githubusercontent.com/torproject/tor/tor-0.2.8.9/ChangeLog

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201612-45
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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: Tor: Multiple vulnerabilities
Date: December 24, 2016
Bugs: #591008, #597394, #597524
ID: 201612-45

Topics%20covered

Topics Covered

security advisory moderate Gentoo update Denial of Service risk Tor

Synopsis

Multiple vulnerabilities were found in Tor, the worst of which could allow remote attackers to cause a Denial of Service condition.

Background

Tor is an implementation of second generation Onion Routing, a connection-oriented anonymizing communication service.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/tor < 0.2.8.9 >= 0.2.8.9

Impact

===== A remote attacker could possibly cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

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