description: 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.
problem types: CWE-330: Use of Insufficiently Random Values
affected:
{
vendor: ZUKEN Elmic
product: Kasago IPv6/v4 Dual
versions:
version: prior to Ver6.0.1.34, status: affected
}
{
vendor: ZUKEN Elmic
product: Kasago IPv4
versions:
version: prior to Ver6.0.1.34, status: affected
}
{
vendor: ZUKEN Elmic
product: Kasago IPv4 Light
versions:
version: prior to Ver6.0.1.34, status: affected
}
{
vendor: ZUKEN Elmic
product: Kasago mobile IPv6
versions:
version: prior to Ver6.0.1.34, status: affected
}
