PT-2021-24252 · Netbsd · Netbsd

Amit Klein · Published 2021-12-25 · Updated 2023-08-08 · CVE-2021-45488

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions: NetBSD versions prior to 9.3

Description: The issue is related to an information leak in the TCP ISN (ISS) generation algorithm. This leak may potentially allow attackers to gather sensitive information.

Recommendations: For versions prior to 9.3, update to version 9.3 or later to resolve the issue.

Fix

Use of Insufficiently Random Values

Weakness Enumeration

CWE-330

Related Identifiers

CVE-2021-45488

Affected Products

Netbsd

References · 6

• http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2021-001.txt.asc · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45488 · Security Note
• https://osv.dev/vulnerability/CVE-2021-45488 · Vendor Advisory
• https://t.me/cvenotify/24895 · Telegram Post
• https://arxiv.org/pdf/2112.09604.pdf · Note
• https://t.me/cvenotify/25184 · Telegram Post