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Tor Directory Authority 'policy_summarize' Denial of Service Vulnerability (Windows)

Information

Severity

Severity

Medium

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

11 years ago

Modified

Modified

3 years ago

Summary

This host is installed with Tor and is prone to buffer overflow vulnerability.

Insight

Insight

The flaw is caused by an boundary error within the policy_summarize function in Tor, which can be exploited to crash a Tor directory authority.

Affected Software

Affected Software

Tor version prior to 0.2.1.30 on Windows.

Solution

Solution

Upgrade to Tor version 0.2.1.30 or later.

Common Vulnerabilities and Exposures (CVE)