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Category:   Application (Generic)  >   Tor Vendors:   tor.eff.org
Tor Flaws Let Remote Users Execute Arbitrary Code or Deny Service and Let Local Users Obtain Potentially Sensitive Information
SecurityTracker Alert ID:  1024980
SecurityTracker URL:  http://securitytracker.com/id/1024980
CVE Reference:   CVE-2011-0427   (Links to External Site)
Date:  Jan 19 2011
Impact:   Denial of service via network, Disclosure of user information, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 0.2.1.29
Description:   Several vulnerabilities were reported in Tor. A remote user can execute arbitrary code on the target system. A remote user can cause denial of service conditions. A local user can obtain potentially sensitive information.

A remote user can send specially crafted data to trigger a heap overflow and execute arbitrary code on the target system.

A remote user can send specially crafted z-lib compressed data to cause denial of service conditions. 'doorss' reported this vulnerability.

A local user with certain privileges can access potentially sensitive information from memory. 'cypherpunks' reported this vulnerability.

Impact:   A remote user can execute arbitrary code on the target system.

A remote user can cause denial of service conditions.

A local user can obtain potentially sensitive information.

Solution:   The vendor has issued a fix (0.2.1.29).

The vendor's advisory is available at:

http://blog.torproject.org/blog/tor-02129-released-security-patches

Vendor URL:  tor.eff.org/ (Links to External Site)
Cause:   Boundary error, Not specified
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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