CVE-2022-23125

Name	CVE-2022-23125
Description	This vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within the copyapplfile function. When parsing the len element, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15869.
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-3426-1, DSA-5503-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
netatalk (PTS)	stretch (security), stretch (lts), stretch	2.2.5-2+deb9u1	vulnerable
	buster (security), buster, buster (lts)	3.1.12~ds-3+deb10u5	fixed
	bullseye (security), bullseye	3.1.12~ds-8+deb11u1	fixed
	sid, trixie	4.0.6~ds-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin
netatalk	source	stretch	(unfixed)	end-of-life
netatalk	source	buster	3.1.12~ds-3+deb10u1		DLA-3426-1
netatalk	source	bullseye	3.1.12~ds-8+deb11u1		DSA-5503-1
netatalk	source	(unstable)	3.1.13~ds-1

https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.html
https://github.com/Netatalk/Netatalk/commit/d801ed421800bcd5df9045f7327c92cd4fc944aa