CVE-2024-39349 Memory corruption in Camera Firmware

Critical 9.8 Published 28 Jun 2024 Updated 2 Aug 2024

Remote attackers can execute arbitrary code via a buffer overflow in Synology Camera Firmware, requiring a firmware upgrade.

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-2024-39349?

CVE-2024-39349 is a critical memory corruption vulnerability in Synology Camera Firmware, published on 28 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability regarding buffer copy without checking size of input ('Classic Buffer Overflow') is found in the libjansson component and it does not affect the upstream library. This allows remote attackers to execute arbitrary code via unspecified vectors. The following models with Synology Camera Firmware versions before 1.0.7-0298 may be affected: BC500 and TC500.

Weakness: CWE-120

Which versions are affected by CVE-2024-39349?

It affects 2 products.

Products include Synology Bc500 Firmware, Synology Tc500 Firmware.

How do I fix CVE-2024-39349?

No fix has been published for CVE-2024-39349 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-2024-39349 being exploited?

There is no known exploitation of CVE-2024-39349 in the wild and no public exploit code.

Sources

Also known as GHSA-fc4v-676g-hqh4.