Upstream information

CVE-2021-28089 at MITRE

Description

Tor before 0.4.5.7 allows a remote participant in the Tor directory protocol to exhaust CPU resources on a target, aka TROVE-2021-001.

SUSE information

Overall state of this security issue: Resolved

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:3.1/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 3.1
SUSE Bugzilla entries: 1183726 [RESOLVED / FIXED], 1184261 [RESOLVED / DUPLICATE]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP2
  • tor >= 0.4.5.7-bp152.2.9.1
 Patchnames:
openSUSE-2021-474
openSUSE Leap 15.2
  • tor >= 0.4.5.7-lp152.2.9.1
 Patchnames:
openSUSE-2021-461
openSUSE Tumbleweed
  • tor >= 0.4.6.7-2.2
 Patchnames:
openSUSE-Tumbleweed-2024-11469

SUSE Timeline for this CVE

CVE page created: Wed Mar 17 06:53:01 2021
CVE page last modified: Sat Nov 1 22:27:14 2025