Upstream information

CVE-2018-0491 at MITRE

Description

A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10. It allows remote attackers to cause a denial of service (relay crash) because the KIST implementation allows a channel to be added more than once in the pending list.

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
CVSS detail National Vulnerability Database
Base Score 5
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
CVSS detail National Vulnerability Database
Base Score 7.5
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3
SUSE Bugzilla entry: 1083846 [RESOLVED / FIXED]

SUSE Security Advisories:

    openSUSE-SU-2018:0614-1 openSUSE-SU-2018:0620-1

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 12
  • tor >= 0.3.2.10-14.1
 Patchnames:
openSUSE-2018-223
openSUSE Tumbleweed
  • tor >= 0.4.6.7-2.2
 Patchnames:
openSUSE-Tumbleweed-2024-11469

SUSE Timeline for this CVE

CVE page created: Sat Mar 3 19:32:06 2018
CVE page last modified: Mon Oct 6 19:14:34 2025