| Name | CVE-2022-43634 |
| 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 dsi_writeinit function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-17646. |
| 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 |
| Debian Bugs | 1034170 |
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 | 4.0.8~ds-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/Netatalk/Netatalk/pull/186
https://github.com/advisories/GHSA-fwj9-7qq8-jc93
https://www.zerodayinitiative.com/advisories/ZDI-23-094/
https://github.com/Netatalk/netatalk/commit/5fcb4ab02aced14484310165b3d754bb2f0820ca
https://github.com/Netatalk/netatalk/commit/e6a9ce5b8145d0b39851fbf80916035a714e9d59 (netatalk-3-1-15)