CVE-2021-28089

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-28089
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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://blog.torproject.org/node/2009 Release Notes Vendor Advisory
https://gitlab.torproject.org/tpo/core/tor/-/issues/40304 Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPDXB2GZHG3VNOTWSXQ3QZVHNV76WCU5/
https://security.gentoo.org/glsa/202107-25 Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.4.4.0:alpha:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.4.4.1:alpha:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.4.4.2:alpha:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.4.4.3:alpha:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
History

07 Nov 2023, 03:32

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HPDXB2GZHG3VNOTWSXQ3QZVHNV76WCU5/', 'name': 'FEDORA-2021-e68317166d', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPDXB2GZHG3VNOTWSXQ3QZVHNV76WCU5/ -

16 May 2022, 21:06

Type Values Removed Values Added
References
  • (GENTOO) https://security.gentoo.org/glsa/202107-25 - Third Party Advisory

25 Mar 2021, 15:06

Type Values Removed Values Added
References (MISC) https://gitlab.torproject.org/tpo/core/tor/-/issues/40304 - (MISC) https://gitlab.torproject.org/tpo/core/tor/-/issues/40304 - Vendor Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HPDXB2GZHG3VNOTWSXQ3QZVHNV76WCU5/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HPDXB2GZHG3VNOTWSXQ3QZVHNV76WCU5/ - Mailing List, Third Party Advisory
References (CONFIRM) https://blog.torproject.org/node/2009 - (CONFIRM) https://blog.torproject.org/node/2009 - Release Notes, Vendor Advisory
CPE cpe:2.3:a:torproject:tor:0.4.4.2:alpha:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.4.4.1:alpha:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.4.4.3:alpha:*:*:*:*:*:*
cpe:2.3:a:torproject:tor:0.4.4.0:alpha:*:*:*:*:*:*
CWE CWE-400
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5

24 Mar 2021, 05:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HPDXB2GZHG3VNOTWSXQ3QZVHNV76WCU5/ -

19 Mar 2021, 05:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-03-19 05:15

Updated : 2023-12-10 13:41

NVD link : CVE-2021-28089

Mitre link : CVE-2021-28089

CVE.ORG link : CVE-2021-28089

JSON object : View

Products Affected

torproject

  • tor

fedoraproject

  • fedora
CWE
CWE-400

Uncontrolled Resource Consumption