rad_decode in FreeRADIUS 0.9.2 and earlier allows remote attackers to cause a denial of service (crash) via a short RADIUS string attribute with a tag, which causes memcpy to be called with a -1 length argument, as demonstrated using the Tunnel-Password attribute.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Freeradius | Freeradius | * | 0.9.2 (including) |
| Red Hat Enterprise Linux 3 | RedHat | freeradius-0:0.9.3-1 | * |
| Freeradius | Ubuntu | upstream | * |