high7.5
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.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Torproject | Tor | before 0.3.5.14 from 0.4.4.4 before 0.4.4.8 from 0.4.5.0 before 0.4.5.7 Versions 0.4.4.0, 0.4.4.1, 0.4.4.2 |
| Fedoraproject | Fedora | Version 33 |
Weakness classification
References
- NVD record
- CVE.org record
- https://blog.torproject.org/node/2009
- https://gitlab.torproject.org/tpo/core/tor/-/issues/40304
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPDXB2GZHG3VNOTWSXQ3QZVHNV76WCU5/
- https://security.gentoo.org/glsa/202107-25
- https://blog.torproject.org/node/2009
- https://gitlab.torproject.org/tpo/core/tor/-/issues/40304
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPDXB2GZHG3VNOTWSXQ3QZVHNV76WCU5/
- https://security.gentoo.org/glsa/202107-25