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Tor Denial of Service and Traffic Routing
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Secunia Advisory:
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SA21708
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Release Date:
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2006-08-31
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Last Update:
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2006-09-04
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Popularity:
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8,103 views
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Critical:
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Less critical
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Impact:
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Security Bypass
DoS
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Tor 0.1.0.x
Tor 0.1.1.x
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| CVE reference: | CVE-2006-4508
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Description:
A vulnerability and a weakness have been reported in Tor, which can be exploited by malicious people to cause a DoS (Denial of Service) and bypass certain security restrictions.
Two unspecified errors in the communication handling can be exploited by a malicious Tor server to route traffic through the client to the Tor network or crash the client.
Successful exploitation requires that the malicious Tor server is the first server in the path (entry node).
The vulnerability and the weakness have been reported in versions prior to 0.1.0.18 and 0.1.1.23 for the 0.1.0.x and 0.1.1.x branches, and in version 0.1.2.1-alpha-cvs.
Solution:
Update to version 0.1.0.18 or 0.1.1.23.
http://tor.eff.org/download.html.en
Provided and/or discovered by:
Reported by the vendor.
Changelog:
2006-09-04: Added CVE reference.
Original Advisory:
http://archives.seul.org/or/announce/Aug-2006/msg00001.html
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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