CVE-2018-1160

CRITICAL

netatalk < 3.1.12 - Unauthenticated Out-of-bounds Write in dsi_opensess.c

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 4 public exploits for CVE-2018-1160. PoCs published by muts, Jacob Baines, Tenable NS.

AI-analyzed exploit summary This exploit leverages an authentication bypass vulnerability in QNAP Netatalk by overwriting the preauth_switch pointer, allowing unauthorized access to AFP services. It includes functions to list volumes, read/write files, and execute arbitrary commands.

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.

Exploits (4)

exploitdb WORKING POC VERIFIED
by muts · pythonremotemultiple
https://www.exploit-db.com/exploits/46675

This exploit leverages an authentication bypass vulnerability in QNAP Netatalk by overwriting the preauth_switch pointer, allowing unauthorized access to AFP services. It includes functions to list volumes, read/write files, and execute arbitrary commands.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Moderate
Reliability
Reliable
Target: QNAP Netatalk before 3.1.12
No auth needed
Prerequisites: Network access to the target device · Netatalk service running on the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Jacob Baines · pythonremotemultiple
https://www.exploit-db.com/exploits/46034

This exploit demonstrates an authentication bypass vulnerability in Netatalk by overwriting the preauth_switch pointer, allowing unauthorized access to AFP services. It includes functions to list volumes, read/write files, and execute arbitrary commands on affected systems.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Moderate
Reliability
Reliable
Target: Netatalk before 3.1.12
No auth needed
Prerequisites: Network access to the target Netatalk service · Target must be running a vulnerable version of Netatalk
devstral-2 · analyzed Feb 18, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Tenable NS · pythondosmultiple
https://www.exploit-db.com/exploits/46048

This exploit targets a buffer overflow in the AFP protocol implementation (CVE-2018-1160) by crafting malicious DSI and AFP packets to overwrite memory addresses and redirect execution flow. It sends a structured payload to trigger the vulnerability and achieve remote code execution.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Netatalk (versions prior to 3.1.12)
No auth needed
Prerequisites: Network access to the target AFP service · Target running a vulnerable version of Netatalk
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (11)

Core 11
Core References
Third Party Advisory x_refsource_misc
https://attachments.samba.org/attachment.cgi?id=14735
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/106301
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/46034/
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/tenable/poc/tree/master/netatalk/cve_2018_1160/
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/46048/
Third Party Advisory x_refsource_confirm
https://www.synology.com/security/advisory/Synology_SA_18_62
Exploit, Release Notes, Third Party Advisory x_refsource_misc
https://www.tenable.com/security/research/tra-2018-48
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4356
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/46675/
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/152440/QNAP-Netatalk-Authentication-Bypass.html

Scores

CVSS v3 9.8
EPSS 0.8683
EPSS Percentile 99.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-787
Status published
Products (6)
debian/debian_linux 9.0
netatalk/netatalk < 3.1.12
synology/diskstation_manager 5.2 - 5.2-5967-9
synology/router_manager 1.2 - 1.2-7742-5
synology/skynas
synology/vs960hd_firmware
Published Dec 20, 2018
Tracked Since Feb 18, 2026