CVE-2022-40870 Command injection in n/a

High 8.1 Published Updated

Attackers can execute arbitrary commands on Parallels Remote Application Server via Host Header Injection in the Web Client.

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-2022-40870?

CVE-2022-40870 is a high-severity command injection vulnerability in n/a, published on 22 Nov 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Web Client of Parallels Remote Application Server v18.0 is vulnerable to Host Header Injection attacks. This vulnerability allows attackers to execute arbitrary commands via a crafted payload injected into the Host header.

Weakness: CWE-116

Which versions are affected by CVE-2022-40870?

It affects 1 product.

Products include Parallels Remote Application Server.

How do I fix CVE-2022-40870?

No fix has been published for CVE-2022-40870 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2022-40870 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-40870 exists.

Sources

Also known as GHSA-3mv9-6gw5-j7q6.

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