Heap-based buffer overflow in DiskStation DS418 Play - CVE-2021-31439

 

Heap-based buffer overflow in DiskStation DS418 Play - CVE-2021-31439

Published: May 3, 2021 / Updated: April 21, 2023


Vulnerability identifier: #VU52802
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-31439
CWE-ID: CWE-122
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Synology Inc.
Affected software:
DiskStation DS418 Play

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the processing of DSI structures in Netatalk. A remote attacker on the local network can trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2021-31439

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources