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zdiReno Robert of Trend Micro Zero Day InitiativeZDI-22-073
HistoryJan 13, 2022 - 12:00 a.m.

OpenBSD Kernel Multicast Routing Uninitialized Memory Information Disclosure Vulnerability

2022-01-1300:00:00
Reno Robert of Trend Micro Zero Day Initiative
www.zerodayinitiative.com
14
openbsd
kernel
multicast routing
uninitialized memory
information disclosure
vulnerability
local attackers
low-privileged code
escalate privileges
arbitrary code

EPSS

0.001

Percentile

28.8%

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.

EPSS

0.001

Percentile

28.8%

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