CVE-2021-31439

Published May 21, 2021

Last updated a year ago

Overview

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.
Source
zdi-disclosures@trendmicro.com
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
8.8
Impact score
5.9
Exploitability score
2.8
Vector string
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

CVSS 3.0

Type
Secondary
Base score
8.8
Impact score
5.9
Exploitability score
2.8
Vector string
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
5.8
Impact score
6.4
Exploitability score
6.5
Vector string
AV:A/AC:L/Au:N/C:P/I:P/A:P

Weaknesses

nvd@nist.gov
CWE-787
zdi-disclosures@trendmicro.com
CWE-122

Social media

Hype score
Not currently trending

Configurations