ctrlpacket.c in PoPToP PPTP server before 1.1.4-b3 allows remote attackers to cause a denial of service via a length field of 0 or 1, which causes a negative value to be fed into a read operation, leading to a buffer overflow.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Pptp_server | Poptop | 1.0.1 (including) | 1.0.1 (including) |
| Pptp_server | Poptop | 1.1.2 (including) | 1.1.2 (including) |
| Pptp_server | Poptop | 1.1.3 (including) | 1.1.3 (including) |
| Pptp_server | Poptop | 1.1.3_2002-10-09 (including) | 1.1.3_2002-10-09 (including) |
| Pptp_server | Poptop | 1.1.4b1 (including) | 1.1.4b1 (including) |
| Pptp_server | Poptop | 1.1.4b2 (including) | 1.1.4b2 (including) |