The connection_edge_process_relay_cell function in or/relay.c in Tor before 0.2.3.25 maintains circuits even if an unexpected SENDME cell arrives, which might allow remote attackers to cause a denial of service (memory consumption or excessive cell reception rate) or bypass intended flow-control restrictions via a RELAY_COMMAND_SENDME command.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2013-01-01T11:00:00

Updated: 2024-08-06T21:14:16.375Z

Reserved: 2012-10-24T00:00:00

Link: CVE-2012-5573

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2013-01-01T12:35:14.617

Modified: 2017-08-29T01:32:42.777

Link: CVE-2012-5573

cve-icon Redhat

No data.