Description
Netatalk before 3.1.12 is vulnerable to an out of bounds write in dsi_opensess.c. This is due to lack of bounds checking on attacker controlled data. A remote unauthenticated attacker can leverage this vulnerability to achieve arbitrary code execution.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Netatalk | Netatalk | Before 3.1.12 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | netatalk | 2.2.6-2 | — |
| Debian 13 | netatalk | 2.2.6-2 | — |
| Debian 9 | netatalk | 2.2.5-2+deb9u1 | DSA-4356-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | netatalk | 2.2.6-1ubuntu0.18.04.2 | — |
| Ubuntu 16.04 LTS | netatalk | 2.2.5-1ubuntu0.2 | — |
| Ubuntu 14.04 LTS | netatalk | 2.2.2-1ubuntu2.2 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | netatalk | 3.1.0-3.3.1 | SUSE-SU-2018:4217-1 |
| SLES 12 SP3 | netatalk | 3.1.0-3.3.1 | SUSE-SU-2018:4217-1 |
| SLES 11 SP4 | netatalk | 2.0.3-249.23.3.1 | SUSE-SU-2018:4214-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | netatalk | 3.1.12-r0 | — |
| Alpine v3.23 | netatalk | 3.1.12-r0 | — |
| Alpine v3.22 | netatalk | 3.1.12-r0 | — |
| Alpine v3.21 | netatalk | 3.1.12-r0 | — |
| Alpine v3.20 | netatalk | 3.1.12-r0 | — |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | netatalk | 3.1.12-r0 | — |
| Alpine v3.18 | netatalk | 3.1.12-r0 | — |
| Alpine v3.17 | netatalk | 3.1.12-r0 | — |
| Alpine v3.16 | netatalk | 3.1.12-r0 | — |
| Alpine v3.15 | netatalk | 3.1.12-r0 | — |
| Alpine v3.14 | netatalk | 3.1.12-r0 | — |
| Alpine v3.13 | netatalk | 3.1.12-r0 | — |
| Alpine v3.12 | netatalk | 3.1.12-r0 | — |
| Alpine v3.11 | netatalk | 3.1.12-r0 | — |
| Alpine v3.10 | netatalk | 3.1.12-r0 | — |
| Alpine v3.9 | netatalk | 3.1.12-r0 | — |
| Alpine v3.8 | netatalk | 3.1.12-r0 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 3
- QNAP Netatalk < 3.1.12 - Authentication Bypass EDB-46675 · remote · Apr 8, 2019 · verified
- Netatalk 3.1.12 - Authentication Bypass EDB-46034 · remote · Dec 21, 2018 · verified
- Netatalk 3.1.12 - Authentication Bypass (PoC) EDB-46048 · dos · Dec 21, 2018 · verified
GitHub 1 repository
-
SachinThanushka/CVE-2018-1160 ★ 0 · May 12, 2020
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 3
- DSA-4356-1 netatalk - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2018:4214-1 Security update for netatalk SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:4217-1 Security update for netatalk SUSE / openSUSE Security Updates · Feb 4, 2026
References
- http://netatalk.sourceforge.net/3.1/ReleaseNotes3.1.12.html
- https://attachments.samba.org/attachment.cgi?id=14735
- 106301 vdb-entry
- 46034 exploit
- https://github.com/tenable/poc/tree/master/netatalk/cve_2018_1160/
- 46048 exploit
- https://www.synology.com/security/advisory/Synology_SA_18_62
- https://www.tenable.com/security/research/tra-2018-48
- DSA-4356 vendor-advisory
- 46675 exploit
- http://packetstormsecurity.com/files/152440/QNAP-Netatalk-Authentication-Bypass.html