CVE-2023-2253

Name	CVE-2023-2253
Description	A flaw was found in the `/v2/_catalog` endpoint in distribution/distribution, which accepts a parameter to control the maximum number of records returned (query string: `n`). This vulnerability allows a malicious user to submit an unreasonably large value for `n,` causing the allocation of a massive string array, possibly causing a denial of service through excessive use of memory.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-3473-1, DSA-5414-1
Debian Bugs	1035956

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
docker-registry (PTS)	bullseye (security), bullseye	2.7.1+ds2-7+deb11u1	fixed
	bookworm	2.8.2+ds1-1	fixed
	sid, trixie	2.8.3+ds1-2	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
docker-registry	source	buster	2.6.2~ds1-2+deb10u1	DLA-3473-1
docker-registry	source	bullseye	2.7.1+ds2-7+deb11u1	DSA-5414-1
docker-registry	source	(unstable)	2.8.2+ds1-1		1035956

Notes

Fixed by: https://github.com/distribution/distribution/commit/521ea3d973cb0c7089ebbcdd4ccadc34be941f54 (v2.8.2-beta.1)
https://www.openwall.com/lists/oss-security/2023/05/09/1
https://github.com/distribution/distribution/security/advisories/GHSA-hqxw-f8mx-cpmw