critical9.1
CVE-2022-43501
KASAGO TCP/IP stack provided by Zuken Elmic generates ISNs(Initial Sequence Number) for TCP connections from an insufficiently random source.
Impact
KASAGO TCP/IP stack provided by Zuken Elmic generates ISNs(Initial Sequence Number) for TCP connections from an insufficiently random source. An attacker may be able to determine the ISN of the current or future TCP connections and either hijack existing ones or spoof future ones.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Elwsc | Kasago Ipv4 | before 6.0.1.34 |
| Elwsc | Kasago Ipv4 Light | before 6.0.1.34 |
| Elwsc | Kasago Ipv6\/V4 Dual | before 6.0.1.34 |
| Elwsc | Kasago Mobile Ipv6 | before 6.0.1.34 |