CVE-2018-1160
Netatalk before 3.1.12 is vulnerable to an out of bounds write in dsi_opensess.c.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 86.5%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 86.54% probability · 100th percentile
- Public exploits
- 3 in Exploit-DB · verified · first 21 December 2018
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- netatalk/netatalk · synology/router manager · synology/skynas · synology/diskstation manager · synology/vs960hd firmware · debian/debian linux
- Source
- vulnreport@tenable.com
EPSS moved from 83.4% on 21 September 2026 to 86.5% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (3)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
| EDB-ID | Title | Type | Published | Verified |
|---|---|---|---|---|
| EDB-46675source ↗ | QNAP Netatalk < 3.1.12 - Authentication Bypassmultiple · muts | remote | 8 April 2019 | yes |
| EDB-46048source ↗ | Netatalk 3.1.12 - Authentication Bypass (PoC)multiple · Tenable NS | dos | 21 December 2018 | yes |
| EDB-46034source ↗ | Netatalk 3.1.12 - Authentication Bypassmultiple · Jacob Baines | remote | 21 December 2018 | yes |
References
- http://netatalk.sourceforge.net/3.1/ReleaseNotes3.1.12.htmlRelease Notes
- http://packetstormsecurity.com/files/152440/QNAP-Netatalk-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/106301Third Party Advisory, VDB Entry
- https://attachments.samba.org/attachment.cgi?id=14735Third Party Advisory
- https://github.com/tenable/poc/tree/master/netatalk/cve_2018_1160/Release Notes, Third Party Advisory
- https://www.debian.org/security/2018/dsa-4356Third Party Advisory
- https://www.exploit-db.com/exploits/46034/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/46048/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/46675/Exploit, Third Party Advisory, VDB Entry
- https://www.synology.com/security/advisory/Synology_SA_18_62Third Party Advisory
- https://www.tenable.com/security/research/tra-2018-48Exploit, Release Notes, Third Party Advisory
- http://netatalk.sourceforge.net/3.1/ReleaseNotes3.1.12.htmlRelease Notes
- http://packetstormsecurity.com/files/152440/QNAP-Netatalk-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/106301Third Party Advisory, VDB Entry
- https://attachments.samba.org/attachment.cgi?id=14735Third Party Advisory
- https://github.com/tenable/poc/tree/master/netatalk/cve_2018_1160/Release Notes, Third Party Advisory
- https://www.debian.org/security/2018/dsa-4356Third Party Advisory
- https://www.exploit-db.com/exploits/46034/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/46048/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/46675/Exploit, Third Party Advisory, VDB Entry
- https://www.synology.com/security/advisory/Synology_SA_18_62Third Party Advisory
- https://www.tenable.com/security/research/tra-2018-48Exploit, Release Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.