Stack-based buffer overflow in the receive_tcppacket function in net_packet.c in tinc before 1.0.21 and 1.1 before 1.1pre7 allows remote authenticated peers to cause a denial of service (crash) or possibly execute arbitrary code via a large TCP packet.
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-119,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| tinc-vpn | tinc | 1.0.18 |
| tinc-vpn | tinc | 1.0.17 |
| tinc-vpn | tinc | 1.0.19 |
| tinc-vpn | tinc | 1.1 |
| tinc-vpn | tinc | * |
tinc before 1.0.30 has a broken authentication protocol, without even a partial mitigation.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 5.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N | 3.9 | 1.4 |
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-287,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| tinc-vpn | tinc | * |
| starwindsoftware | starwind_virtual_san | v8 |
tinc 1.0.30 through 1.0.34 has a broken authentication protocol, although there is a partial mitigation. This is fixed in 1.1.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 3.7 | LOW | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N | 2.2 | 1.4 |
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-287,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| tinc-vpn | tinc | * |
| starwindsoftware | starwind_virtual_san | v8 |
| debian | debian_linux | 9.0 |
Missing message authentication in the meta-protocol in Tinc VPN version 1.0.34 and earlier allows a man-in-the-middle attack to disable the encryption of VPN packets.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 5.9 | MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N | 2.2 | 3.6 |
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-306,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| tinc-vpn | tinc | * |
| starwindsoftware | starwind_virtual_san | v8 |
| debian | debian_linux | 9.0 |