Upstream information

CVE-2017-0377 at MITRE

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.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 5 4.3
Vector AV:N/AC:L/Au:N/C:P/I:N/A:N AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network Network
Access Complexity Low Medium
Authentication None None
Confidentiality Impact Partial Partial
Integrity Impact None None
Availability Impact None None
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 7.5 3.7
Vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Access Vector Network Network
Access Complexity Low High
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact High Low
Integrity Impact None None
Availability Impact None None
SUSE Bugzilla entry: 1046845 [RESOLVED]

No SUSE Security Announcements cross referenced.