CVE-2021-34549

An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-005. Hashing is mishandled for certain retrieval of circuit data. Consequently. an attacker can trigger the use of an attacker-chosen circuit ID to cause algorithm inefficiency.
References
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:*:*:*:*:*:*:*:*

History

12 Jul 2022, 17:42

Type Values Removed Values Added
CWE CWE-755 CWE-400

20 Sep 2021, 18:53

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

06 Jul 2021, 13:47

Type Values Removed Values Added
References (MISC) https://gitlab.torproject.org/tpo/core/tor/-/issues/40391 - (MISC) https://gitlab.torproject.org/tpo/core/tor/-/issues/40391 - Broken Link
References (CONFIRM) https://blog.torproject.org/node/2041 - (CONFIRM) https://blog.torproject.org/node/2041 - Release Notes, Vendor Advisory
CWE CWE-755
CVSS v2 : unknown
v3 : unknown
v2 : 5.0
v3 : 7.5
CPE cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*

29 Jun 2021, 12:30

Type Values Removed Values Added
New CVE

Information

Published : 2021-06-29 12:15

Updated : 2024-02-04 21:47


NVD link : CVE-2021-34549

Mitre link : CVE-2021-34549

CVE.ORG link : CVE-2021-34549


JSON object : View

Products Affected

torproject

  • tor
CWE
CWE-400

Uncontrolled Resource Consumption