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CVE-2018-0490

CVE information

Published

4 years ago

Last Modified

3 years ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

High

Impact Analysis

Description

An issue was discovered in Tor before 0.2.9.15, 0.3.1.x before 0.3.1.10, and 0.3.2.x before 0.3.2.10. The directory-authority protocol-list subprotocol implementation allows remote attackers to cause a denial of service (NULL pointer dereference and directory-authority crash) via a misformatted relay descriptor that is mishandled during voting..

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
None
Availability Impact
Partial
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
None
Availability Impact
High
Integrity Impact
None
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:torproject:tor:0.3.1.1:alpha:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.1.2:alpha:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.1.3:alpha:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.1.4:alpha:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.1.5:alpha:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.2.7:rc:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.2.8:rc:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.2.9:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.2.6:alpha:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.2.5:alpha:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.2.4:alpha:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.2.3:alpha:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.2.1:alpha:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.1.6:rc:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:0.3.2.2:alpha:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
  Yes
0.3.1.7 -
cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  Yes
- -