Integer overflow in Clickhouse
CVE-2023-48298
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.
EPSS: 0.006 (46.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Clickhouse — versions <= 23.10.2.14
- Clickhouse Clickhouse_cloud
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-48298?
- CVE-2023-48298 is a medium-severity vulnerability in Clickhouse, classified under Integer Underflow. CVSS score: 5.9/10. Published 2023-12-21.
- How severe is CVE-2023-48298?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2023-48298 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.