CVE-2021-45484: Weak RNG
Published Dec 25, 2021
·Updated
In NetBSD through 9.2, the IPv6 fragment ID generation algorithm employs a weak cryptographic PRNG.
Affected Software
1 affected component
NetBSD NetBSD<=9.2
Event History
Dec 25, 2021
CVE Published
via MITRE·01:05 AM
Data Sourced
via MITRE·01:05 AM
Description
Data Sourced
via NVD·02:15 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is CVE-2021-45484?
CVE-2021-45484 is a vulnerability in NetBSD through version 9.2 where the IPv6 fragment ID generation algorithm uses a weak cryptographic PRNG.
2
How severe is CVE-2021-45484?
CVE-2021-45484 has a severity level of 7.5 (high).
3
What software versions are affected by CVE-2021-45484?
NetBSD versions up to and including 9.2 are affected by CVE-2021-45484.
4
How can I fix CVE-2021-45484?
To fix CVE-2021-45484, it is recommended to update NetBSD to a version beyond 9.2 that addresses the vulnerability.
5
Where can I find more information about CVE-2021-45484?
More information about CVE-2021-45484 can be found in the NetBSD security advisory (NetBSD-SA2021-001.txt.asc) and the research paper (arxiv.org/pdf/2112.09604.pdf).