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CVE-2017-0377

CVE information

Published

5 years ago

Last Modified

5 years ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

High

Impact Analysis

Description

Tor 0.3.x before 0.3.0.9 has a guard-selection algorithm that only considers the exit relay (not the exit relay's family), which might allow remote attackers to defeat intended anonymity properties by leveraging the existence of large families..

CVSSv2.0 Score

Severity
Medium
Base Score
5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
Partial
Availability Impact
None
Integrity Impact
None

CVSSv3.1 Score

Severity
High
Base Score
7.5/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
3.6/10
Confidentiality Impact
High
Availability Impact
None
Integrity Impact
None
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:torproject:tor:0.3.0.3:alpha:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.0.1:alpha:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.0.2:alpha:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.0.7:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.0.4:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.0.8:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.0.5:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.0.6:*:*:*:*:*:*:*
  Yes
- -