CVE search · CVE-2021-34549
CVE-2021-34549
high 7.5
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.
Details
- Status
- Modified
- Published
- Last changed
- Source
- cve@mitre.org
- Weakness
- CWE-400
Severity
| Version | Score | Vector | Source |
|---|---|---|---|
| CVSS 3.1 | high 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
nvd@nist.govPrimary |
| CVSS 2.0 | medium 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
nvd@nist.govPrimary |
Affected products
Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.
- torproject · tor
References
- https://blog.torproject.org/node/2041Release NotesVendor Advisory
- https://gitlab.torproject.org/tpo/core/tor/-/issues/40391Broken Link
- https://security.gentoo.org/glsa/202107-25Third Party Advisory
- https://blog.torproject.org/node/2041Release NotesVendor Advisory
- https://gitlab.torproject.org/tpo/core/tor/-/issues/40391Broken Link
- https://security.gentoo.org/glsa/202107-25Third Party Advisory