QwikSec

Security Database

CVE

CWE

Training

CVE-2021-31439

Published: May 21, 2021

Modified: Aug 3, 2024

PUBLISHED

CVSS v3.0

8.8

HIGH

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.

Vendor	Product	Versions
Synology	DiskStation Manager	affected `6.1.1-15101-4`

Weaknesses (CWE)

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

https://www.zerodayinitiative.com/advisories/ZDI-21-492/

https://www.synology.com/zh-hk/security/advisory/Synology_SA_20_26

[debian-lts-announce] 20230516 [SECURITY] [DLA 3426-1] netatalk security update

mailing-list

vendor-advisory

vendor-advisory

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.