CVE-2021-34999

OpenBSD Kernel Multicast Routing Uninitialized Memory Information Disclosure Vulnerability

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.

Category

3.8
CVSS
Severity: Low
CVSS 3.0 •
EPSS 0.02%
Affected: OpenBSD Kernel
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-34999?
CVE-2021-34999 has been scored as a low severity vulnerability.
How to fix CVE-2021-34999?
To fix CVE-2021-34999, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-34999 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-34999 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-34999?
CVE-2021-34999 affects OpenBSD Kernel.
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