Asterisk Open Source 11.x before 11.12.1 and 12.x before 12.5.1 and Certified Asterisk 11.6 before 11.6-cert6, when using the res_fax_spandsp module, allows remote authenticated users to cause a denial of service (crash) via an out of call message, which is not properly handled in the ReceiveFax dialplan application.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Certified_asterisk | Digium | 11.6-cert1 (including) | 11.6-cert1 (including) |
| Certified_asterisk | Digium | 11.6-cert2 (including) | 11.6-cert2 (including) |
| Certified_asterisk | Digium | 11.6-cert3 (including) | 11.6-cert3 (including) |
| Certified_asterisk | Digium | 11.6-cert4 (including) | 11.6-cert4 (including) |
| Certified_asterisk | Digium | 11.6-cert5 (including) | 11.6-cert5 (including) |
| Certified_asterisk | Digium | 11.6.0 (including) | 11.6.0 (including) |