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Gentoo: GLSA-201301-03 Normal: Tor Denial Of Service Information Leak

gentoo
Calendar Grey January 9, 2013
Dist Gentoo Esm H88
Several flaws in Tor have been discovered that can lead to Denial of Service attacks and expose confidential data. Please update immediately.
Multiple vulnerabilities have been found in Tor, allowing attackers to cause Denial of Service or obtain sensitive information.

Summary

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

Topics%20covered

Topics Covered

security advisory denial of service information leak gentoo tor

Resolution

All Tor users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/tor-0.2.3.25"

References

[ 1 ] CVE-2012-3517 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3517 [ 2 ] CVE-2012-3518 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3518 [ 3 ] CVE-2012-3519 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3519 [ 4 ] CVE-2012-4419 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4419 [ 5 ] CVE-2012-4922 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4922 [ 6 ] CVE-2012-5573 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-5573

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201301-03
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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: Normal
Title: Tor: Multiple vulnerabilities
Date: January 08, 2013
Bugs: #432188, #434882, #444804
ID: 201301-03

Topics%20covered

Topics Covered

security advisory denial of service information leak gentoo tor

Synopsis

Multiple vulnerabilities have been found in Tor, allowing attackers to cause Denial of Service or obtain sensitive information.

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 < 0.2.3.25 >= 0.2.3.25

Impact

===== A remote attacker could cause a Denial of Service condition or obtain sensitive information.

Workaround

There is no known workaround at this time.

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