An issue was discovered in Tor before 0.2.9.15, 0.3.1.x before 0.3.1.10, and 0.3.2.x before 0.3.2.10. The directory-authority protocol-list subprotocol implementation allows remote attackers to cause a denial of service (NULL pointer dereference and directory-authority crash) via a misformatted relay descriptor that is mishandled during voting.
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Tor | Torproject | 0.3.1.1 | 0.3.1.1 |
Tor | Torproject | 0.3.1.2 | 0.3.1.2 |
Tor | Torproject | 0.3.1.3 | 0.3.1.3 |
Tor | Torproject | 0.3.1.4 | 0.3.1.4 |
Tor | Torproject | 0.3.1.5 | 0.3.1.5 |
Tor | Torproject | 0.3.2.7 | 0.3.2.7 |
Tor | Torproject | 0.3.2.8 | 0.3.2.8 |
Tor | Torproject | 0.3.2.9 | 0.3.2.9 |
Tor | Torproject | 0.3.2.6 | 0.3.2.6 |
Tor | Torproject | 0.3.2.5 | 0.3.2.5 |
Tor | Torproject | 0.3.2.4 | 0.3.2.4 |
Tor | Torproject | 0.3.2.3 | 0.3.2.3 |
Tor | Torproject | 0.3.2.2 | 0.3.2.2 |
Tor | Torproject | 0.3.2.1 | 0.3.2.1 |
Tor | Torproject | 0.3.1.7 | 0.3.1.9 |
Tor | Torproject | 0.3.1.6 | 0.3.1.6 |
Tor | Torproject | * | 0.2.9.14 |