CVE-2024-6873

Name	CVE-2024-6873
Description	It is possible to crash or redirect the execution flow of the ClickHouse server process from an unauthenticated vector by sending a specially crafted request to the ClickHouse server native interface. This redirection is limited to what is available within a 256-byte range of memory at the time of execution, and no known remote code execution (RCE) code has been produced or exploited. Fixes have been merged to all currently supported version of ClickHouse. If you are maintaining your own forked version of ClickHouse or using an older version and cannot upgrade, the fix for this vulnerability can be found in this commit https://github.com/ClickHouse/ClickHouse/pull/64024 .
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1077820

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
clickhouse (PTS)	bullseye	18.16.1+ds-7.2+deb11u1	vulnerable
	bookworm	18.16.1+ds-7.3	vulnerable
	sid	18.16.1+ds-7.4	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
clickhouse	source	(unstable)	(unfixed)			1077820

Notes

[bookworm] - clickhouse <no-dsa> (Minor issue)
[bullseye] - clickhouse <no-dsa> (Minor issue)
https://github.com/ClickHouse/ClickHouse/security/advisories/GHSA-432f-r822-j66f
https://github.com/ClickHouse/ClickHouse/pull/64024