CVE-2022-4636 Path traversal in KVM ACR1000A-R-R2

High 7.5 Published Updated

Path traversal in Black Box KVM firmware allows attackers to steal user credentials and sensitive information via local file inclusion.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-4636?

CVE-2022-4636 is a high-severity path traversal vulnerability in Black Box KVM ACR1000A-R-R2, published on 10 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Black Box KVM Firmware version 3.4.31307 on models ACR1000A-R-R2, ACR1000A-T-R2, ACR1002A-T, ACR1002A-R, and ACR1020A-T is vulnerable to path traversal, which may allow an attacker to steal user credentials and other sensitive information through local file inclusion.

Weakness: CWE-22

Which versions are affected by CVE-2022-4636?

It affects 5 products.

Products include Blackbox Acr1000a-R-R2 Firmware, Blackbox Acr1000a-T-R2 Firmware, Blackbox Acr1002a-R Firmware, Blackbox Acr1002a-T Firmware, Blackbox Acr1020a-T Firmware.

How do I fix CVE-2022-4636?

No fix has been published for CVE-2022-4636 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2022-4636 being exploited?

There is no known exploitation of CVE-2022-4636 in the wild and no public exploit code.

Sources

Also known as GHSA-746p-8vmw-cpvx.

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