CVE-2021-34999

Published May 7, 2024

Last updated 2 months ago

Overview

Description
OpenBSD Kernel Multicast Routing Uninitialized Memory Information Disclosure Vulnerability. This vulnerability allows local attackers to disclose sensitive information on affected installations of OpenBSD Kernel. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the implementation of multicast routing. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the kernel. . Was ZDI-CAN-14540.
Source
zdi-disclosures@trendmicro.com
NVD status
Awaiting Analysis

Risk scores

CVSS 3.0

Type
Secondary
Base score
3.8
Impact score
1.4
Exploitability score
2
Vector string
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Severity
LOW

Weaknesses

zdi-disclosures@trendmicro.com
CWE-908

Social media

Hype score
Not currently trending