CVE-2021-34549
published 2021-06-29CVE-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…
high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
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.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | tor | < tor 0.4.5.9-1 (bookworm) | tor 0.4.5.9-1 (bookworm) |
| torproject | tor | < 0.3.5.15 | 0.3.5.15 |
| torproject | tor | >= 0 < 0.4.5.9-1 | 0.4.5.9-1 |
| torproject | tor | >= 0 < 0.4.5.9-1 | 0.4.5.9-1 |
| torproject | tor | >= 0 < 0.4.5.9-1 | 0.4.5.9-1 |
| torproject | tor | >= 0 < 0.4.5.9-1 | 0.4.5.9-1 |
| torproject | tor | >= 0 < 0.2.4.27-1ubuntu0.1+esm2 | 0.2.4.27-1ubuntu0.1+esm2 |
| torproject | tor | >= 0 < 0.2.9.14-1ubuntu1~16.04.3+esm1 | 0.2.9.14-1ubuntu1~16.04.3+esm1 |
| torproject | tor | >= 0 < 0.3.2.10-1ubuntu0.2~esm2 | 0.3.2.10-1ubuntu0.2~esm2 |
| torproject | tor | >= 0 < 0.4.2.7-1ubuntu0.1~esm1 | 0.4.2.7-1ubuntu0.1~esm1 |
| torproject | tor | >= 0.4.0.0 < 0.4.4.9 | 0.4.4.9 |
| torproject | tor | >= 0.4.5.0 < 0.4.5.9 | 0.4.5.9 |
| torproject | tor | >= 0.4.6.0 < 0.4.6.5 | 0.4.6.5 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
osv7.5HIGH