CVE-2022-23121

Name	CVE-2022-23121
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 parse_entries function. The issue results from the lack of proper error handling when parsing AppleDouble entries. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15819.
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)	bullseye	3.1.12~ds-8+deb11u1	fixed
	bullseye (security)	3.1.12~ds-8+deb11u2	fixed
	sid, trixie	4.2.3~ds-1	fixed

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

Package	Type	Release	Fixed Version	Origin
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

Notes

https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.html
https://github.com/Netatalk/Netatalk/commit/0c0465e4e85a27105b61b3918df8f8df0565367c
https://github.com/Netatalk/Netatalk/commit/62d4013c62be3b1b4a14f37057cb1c8f393c5fd1