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CVE-2017-0377
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
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
|
- | - |
References
- https://trac.torproject.org/projects/tor/ticket/22753
- https://security-tracker.debian.org/CVE-2017-0377
- https://github.com/torproject/tor/commit/665baf5ed5c6186d973c46cdea165c0548027350
- https://blog.torproject.org/blog/tor-0314-alpha-released-security-update-clients
- https://blog.torproject.org/blog/tor-0309-released-security-update-clients