CVE-2023-32560 Memory corruption in Avalanche

High 8.8 Published Updated

An attacker can cause service disruption or execute arbitrary code by sending a specially crafted message to the Wavelink Avalanche Manager.

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

What is CVE-2023-32560?

CVE-2023-32560 is a high-severity memory corruption vulnerability in Ivanti Avalanche, published on 10 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An attacker can send a specially crafted message to the Wavelink Avalanche Manager, which could result in service disruption or arbitrary code execution.

Thanks to a Researcher at Tenable for finding and reporting.

Fixed in version 6.4.1.

Weakness: CWE-787, CWE-20

Which versions are affected by CVE-2023-32560?

It affects 1 product.

Products include Ivanti Avalanche.

How do I fix CVE-2023-32560?

No fix has been published for CVE-2023-32560 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-32560 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-32560 exists.

Public exploit code: 1 Metasploit module, 1 Exploit-DB entry and 2 proofs of concept on GitHub.

All Ivanti Avalanche vulnerabilities

Sources

Also known as GHSA-m39h-xjmq-4vgf.

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