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.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-4932-1 tor security update
EUVD EUVD EUVD-2021-21201 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.
Ubuntu USN Ubuntu USN USN-5036-1 Tor vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T00:12:50.424Z

Reserved: 2021-06-10T00:00:00

Link: CVE-2021-34549

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-06-29T12:15:08.643

Modified: 2024-11-21T06:10:39.140

Link: CVE-2021-34549

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.