netatalk up to 3.1.11 dsi_opensess.c out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in netatalk up to 3.1.11. This issue affects some unknown processing of the file dsi_opensess.c. This manipulation causes out-of-bounds write. The identification of this vulnerability is CVE-2018-1160. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in netatalk up to 3.1.11 and classified as critical. Affected by this vulnerability is an unknown code of the file dsi_opensess.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 12/20/2018. The weakness was shared 12/20/2018 by Jacob Baines (Website). The advisory is shared at netatalk.sourceforge.net. This vulnerability is known as CVE-2018-1160 since 12/05/2017. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 119853 (Slackware 14.0 / 14.1 / 14.2 / current : netatalk (SSA:2018-355-01)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Slackware Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171976 (OpenSUSE Security Update for netatalk (openSUSE-SU-2018:4287-1)).

Upgrading to version 3.1.12 eliminates this vulnerability. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (46048), Tenable (119853) and SecurityFocus (BID 106301†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.2
VulDB Meta Temp Score: 9.0

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector: 🔍

ADP CISA Base Score: 9.8
ADP CISA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 119853
Nessus Name: Slackware 14.0 / 14.1 / 14.2 / current : netatalk (SSA:2018-355-01)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: netatalk 3.1.12

Timelineinfo

12/05/2017 🔍
12/20/2018 +380 days 🔍
12/20/2018 +0 days 🔍
12/20/2018 +0 days 🔍
12/20/2018 +0 days 🔍
12/21/2018 +1 days 🔍
12/22/2018 +1 days 🔍
12/24/2018 +2 days 🔍
02/13/2026 +2608 days 🔍

Sourcesinfo

Advisory: SA_18_62
Researcher: Jacob Baines
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-1160 (🔍)
GCVE (CVE): GCVE-0-2018-1160
GCVE (VulDB): GCVE-100-128209

OVAL: 🔍

SecurityFocus: 106301 - Netatalk CVE-2018-1160 Arbitrary Code Execution Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/21/2018 11:54
Updated: 02/13/2026 21:34
Changes: 12/21/2018 11:54 (74), 04/22/2020 16:50 (9), 06/20/2023 11:22 (4), 01/01/2025 07:08 (16), 01/15/2025 04:25 (12), 02/13/2026 21:34 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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