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Gentoo Linux Security Advisory GLSA 200606-04 |
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http://security.gentoo.org/ |
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Severity: Normal |
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Title: Tor: Several vulnerabilities |
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Date: June 07, 2006 |
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Bugs: #134329 |
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ID: 200606-04 |
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Synopsis |
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======== |
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|
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Tor is vulnerable to a possible buffer overflow, a Denial of Service, |
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information disclosure and information leak. |
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Background |
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========== |
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Tor is an implementation of second generation Onion Routing, a |
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connection-oriented anonymizing communication service. |
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Affected packages |
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================= |
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|
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------------------------------------------------------------------- |
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Package / Vulnerable / Unaffected |
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------------------------------------------------------------------- |
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1 net-misc/tor < 0.1.1.20 >= 0.1.1.20 |
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Description |
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=========== |
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|
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Some integer overflows exist when adding elements to the smartlists. |
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Non-printable characters received from the network are not properly |
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sanitised before being logged. There are additional unspecified bugs in |
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the directory server and in the internal circuits. |
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Impact |
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====== |
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|
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The possible buffer overflow may allow a remote attacker to execute |
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arbitrary code on the server by sending large inputs. The other |
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vulnerabilities can lead to a Denial of Service, a lack of logged |
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information, or some information disclosure. |
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Workaround |
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========== |
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There is no known workaround at this time. |
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Resolution |
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========== |
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All Tor users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=net-misc/tor-0.1.1.20" |
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References |
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========== |
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[ 1 ] CVE-2006-0414 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0414 |
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[ 2 ] Tor ChangeLog |
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http://tor.eff.org/cvs/tor/ChangeLog |
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Availability |
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============ |
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This GLSA and any updates to it are available for viewing at |
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the Gentoo Security Website: |
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http://security.gentoo.org/glsa/glsa-200606-04.xml |
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Concerns? |
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========= |
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Security is a primary focus of Gentoo Linux and ensuring the |
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confidentiality and security of our users machines is of utmost |
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importance to us. Any security concerns should be addressed to |
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security@g.o or alternatively, you may file a bug at |
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http://bugs.gentoo.org. |
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License |
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======= |
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Copyright 2006 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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The contents of this document are licensed under the |
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Creative Commons - Attribution / Share Alike license. |
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http://creativecommons.org/licenses/by-sa/2.5 |
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