CVE-2023-52946 Memory corruption in Synology Drive Client

High 8.2 Published 26 Sep 2024 Updated 26 Sep 2024

Remote attackers can crash the Synology Drive Client via a buffer overflow in the vss service component.

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-2023-52946?

CVE-2023-52946 is a high-severity memory corruption vulnerability in Synology Drive Client, published on 26 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in vss service component in Synology Drive Client before 3.5.0-16084 allows remote attackers to overwrite trivial buffers and crash the client via unspecified vectors.

Weakness: CWE-120

Which versions are affected by CVE-2023-52946?

It affects 1 product.

Products include Synology Drive Client.

How do I fix CVE-2023-52946?

No fix has been published for CVE-2023-52946 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-2023-52946 being exploited?

There is no known exploitation of CVE-2023-52946 in the wild and no public exploit code.

Sources

Also known as GHSA-pfx6-gm2c-cw74.