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Fencer Vulns
critical 9.8

CVE-2018-1160 in the critical feed json

Netatalk before 3.1.12 is vulnerable to an out of bounds write in dsi_opensess.c.

published 2018-12-20 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-11798

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
86.4%
EPSS 86.4% chance of exploitation in 30 days, percentile 99.7%
public exploits
3
Exploit-DB

Summary

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.

Patch / fix

  • netatalk netatalk 3.1.12
  • synology router_manager 1.2-7742-5
  • synology diskstation_manager 5.2-5967-9, 6.1.7-15284-3, 6.2.1-23824-4
  • netatalk Debian 14, Debian 13 2.2.6-2

debian advisories DEBIAN-CVE-2018-1160

  • netatalk Ubuntu 14.04 LTS 2.2.2-1ubuntu2.2
  • netatalk Ubuntu 16.04 LTS 2.2.5-1ubuntu0.2
  • netatalk Ubuntu 18.04 LTS 2.2.6-1ubuntu0.18.04.2

ubuntu advisories UBUNTU-CVE-2018-1160

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • netatalk SLED 12 SP4, SLED 12 SP3, SLE Workstation Extension 12 SP4 +3 more 3.1.0-3.3.1
  • netatalk SLE Software Development Kit 11 SP4 2.0.3-249.23.3.1

suse advisories SUSE-SU-2018:4217-1SUSE-SU-2018:4214-1

  • netatalk Alpine 3.24, Alpine 3.23, Alpine 3.22 +14 more 3.1.12-r0

alpine advisories ALPINE-CVE-2018-1160

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Timeline

  1. Published
  2. First public exploit (EDB-46048)

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
8 mo ago

Exploit prediction

86.42% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-46675 QNAP Netatalk < 3.1.12 - Authentication Bypass remote, 2019-04-08
  • EDB-46048 Netatalk 3.1.12 - Authentication Bypass (PoC) dos, 2018-12-21
  • EDB-46034 Netatalk 3.1.12 - Authentication Bypass remote, 2018-12-21
  • tenable.com https://www.tenable.com/security/research/tra-2018-48 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/152440/QNAP-Netatalk-Authentication-Bypass.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • Netatalk Netatalk

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.