Use of Insufficiently Random Values

CVE-2021-45488

High

7.5/10

Summary

In NetBSD through 9.2, there is an information leak in the TCP ISN (ISS) generation algorithm.

Attack Complexity: LOW
Attack Vector: NETWORK
Integrity Impact: NONE
Scope: UNCHANGED
User Interaction: NONE
Privileges Required: NONE
Confidentiality Impact: HIGH
Availability Impact: NONE

CWE-330 - Use of Insufficiently Random Values

The software uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.

References

Advisory Timeline

Published Dec 25, 2021