Upstream information

CVE-2021-31439 at MITRE

Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.

Upstream Security Advisories:

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 5.8
Vector AV:A/AC:L/Au:N/C:P/I:P/A:P
Access Vector Adjacent Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 8.8 8.8
Vector CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Adjacent Network Adjacent Network
Attack Complexity Low Low
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact High High
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1197352 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server for SAP Applications 12 SP5
  • libatalk12 >= 3.1.0-3.8.1
  • netatalk >= 3.1.0-3.8.1
  • netatalk-devel >= 3.1.0-3.8.1
Patchnames:
SUSE-SLE-SDK-12-SP5-2022-1184
SUSE-SLE-WE-12-SP5-2022-1184
SUSE Linux Enterprise Software Development Kit 12 SP5
  • libatalk12 >= 3.1.0-3.8.1
  • netatalk >= 3.1.0-3.8.1
  • netatalk-devel >= 3.1.0-3.8.1
Patchnames:
SUSE-SLE-SDK-12-SP5-2022-1184
SUSE Linux Enterprise Workstation Extension 12 SP5
  • libatalk12 >= 3.1.0-3.8.1
  • netatalk >= 3.1.0-3.8.1
Patchnames:
SUSE-SLE-WE-12-SP5-2022-1184


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Server 12 SP5 netatalk Released
SUSE Linux Enterprise Server for SAP Applications 12 SP5 netatalk Released
SUSE Linux Enterprise Software Development Kit 12 SP5 netatalk Released
SUSE Linux Enterprise Workstation Extension 12 SP5 netatalk Released
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise Server 12 SP4 netatalk Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 netatalk Affected
Products past their end of life and not receiving proactive updates anymore.
SUSE Linux Enterprise Desktop 12 netatalk Affected
SUSE Linux Enterprise Desktop 12 SP1 netatalk Affected
SUSE Linux Enterprise Desktop 12 SP2 netatalk Affected
SUSE Linux Enterprise Desktop 12 SP3 netatalk Affected
SUSE Linux Enterprise Desktop 12 SP4 netatalk Affected
SUSE Linux Enterprise Server 12 netatalk Affected
SUSE Linux Enterprise Server 12 SP1 netatalk Affected
SUSE Linux Enterprise Server 12 SP2 netatalk Affected
SUSE Linux Enterprise Server 12 SP3 netatalk Affected
SUSE Linux Enterprise Server for SAP Applications 12 netatalk Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP1 netatalk Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 netatalk Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 netatalk Affected
SUSE Linux Enterprise Software Development Kit 12 netatalk Affected
SUSE Linux Enterprise Software Development Kit 12 SP1 netatalk Affected
SUSE Linux Enterprise Software Development Kit 12 SP2 netatalk Affected
SUSE Linux Enterprise Software Development Kit 12 SP3 netatalk Affected
SUSE Linux Enterprise Software Development Kit 12 SP4 netatalk Affected
SUSE Linux Enterprise Workstation Extension 12 netatalk Affected
SUSE Linux Enterprise Workstation Extension 12 SP1 netatalk Affected
SUSE Linux Enterprise Workstation Extension 12 SP2 netatalk Affected
SUSE Linux Enterprise Workstation Extension 12 SP3 netatalk Affected
SUSE Linux Enterprise Workstation Extension 12 SP4 netatalk Affected


SUSE Timeline for this CVE

CVE page created: Fri Apr 30 11:59:41 2021
CVE page last modified: Mon Jan 16 20:41:16 2023