CVE-2022-49040 Memory corruption in Synology Drive Client

Medium 4.4 Published 26 Sep 2024 Updated 26 Sep 2024

Local administrators can crash the Synology Drive Client via a buffer overflow in connection management, requiring an upgrade to mitigate.

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

What is CVE-2022-49040?

CVE-2022-49040 is a medium-severity memory corruption vulnerability in Synology Drive Client, published on 26 Sep 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in connection management functionality in Synology Drive Client before 3.4.0-15721 allows local users with administrator privileges to crash the client via unspecified vectors.

Weakness: CWE-120

Which versions are affected by CVE-2022-49040?

It affects 1 product.

Products include Synology Drive Client.

How do I fix CVE-2022-49040?

No fix has been published for CVE-2022-49040 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-2022-49040 being exploited?

There is no known exploitation of CVE-2022-49040 in the wild and no public exploit code.

Sources

Also known as GHSA-8w37-7r3v-2w47.