CVE-2023-27369 NETGEAR RAX30 soap_serverd Stack-based Buffer Overflow Authentication Bypass Vulnerability

High 8.8 Published Updated

A stack-based buffer overflow in the soap_serverd binary allows network-adjacent attackers to execute arbitrary code and bypass authentication without credentials.

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-2023-27369?

CVE-2023-27369 is a high-severity memory corruption vulnerability in NETGEAR RAX30, published on 3 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NETGEAR RAX30 soap_serverd Stack-based Buffer Overflow Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR RAX30. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the soap_serverd binary. When parsing the request headers, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-19840.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2023-27369?

It affects 1 product.

Products include Netgear Rax30 Firmware.

How do I fix CVE-2023-27369?

No fix has been published for CVE-2023-27369 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-2023-27369 being exploited?

There is no known exploitation of CVE-2023-27369 in the wild and no public exploit code.

Sources

Also known as GHSA-fphw-hp4w-p8m4.

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