CVE-2023-48298 Integer underflow leading to stack overflow in FPC codec decompression

Medium 5.9 Published 21 Dec 2023 Updated 27 Nov 2024

An unauthenticated attacker can cause a denial of service via stack buffer overflow triggered by integer underflow in FPC codec decompression.

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-2023-48298?

CVE-2023-48298 is a medium-severity vulnerability in ClickHouse, published on 21 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

ClickHouse® is an open-source column-oriented database management system that allows generating analytical data reports in real-time. This vulnerability is an integer underflow resulting in crash due to stack buffer overflow in decompression of FPC codec. It can be triggered and exploited by an unauthenticated attacker. The vulnerability is very similar to CVE-2023-47118 with how the vulnerable function can be exploited.

Weakness: CWE-191

Which versions are affected by CVE-2023-48298?

It affects 2 products.

Products include Clickhouse Clickhouse, Clickhouse Clickhouse Cloud.

How do I fix CVE-2023-48298?

No fix has been published for CVE-2023-48298 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-48298 being exploited?

There is no known exploitation of CVE-2023-48298 in the wild and no public exploit code.

Sources

Also known as GHSA-qw9f-qv29-8938, UBUNTU-CVE-2023-48298.