CVE-2021-34998 Privilege escalation in Free Antivirus

High 7.0 Published Updated

Local attackers can escalate privileges to SYSTEM via named pipe impersonation in Panda Security Free Antivirus.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-34998?

CVE-2021-34998 is a high-severity vulnerability in Panda Security Free Antivirus, published on 13 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

This vulnerability allows local attackers to escalate privileges on affected installations of Panda Security Free Antivirus 20.2.0.0. 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 use of named pipes. The issue results from allowing an untrusted process to impersonate the client of a pipe. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-14208.

Weakness: CWE-269, CWE-250

Which versions are affected by CVE-2021-34998?

It affects 1 product.

Products include Watchguard Panda Antivirus.

How do I fix CVE-2021-34998?

No fix has been published for CVE-2021-34998 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-34998 being exploited?

There is no known exploitation of CVE-2021-34998 in the wild and no public exploit code.

Sources

Also known as GHSA-2mqf-25vp-cxfr.

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