Heap-based buffer overflow in AVEVA Software, LLC. products - CVE-2021-32959
Published: August 20, 2021
Vulnerability identifier: #VU55997
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-32959
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: AVEVA Software, LLC.
Affected software:
AVEVA System Platform
AVEVA InTouch
AVEVA Historian
AVEVA Communication Drivers Pack
AVEVA Operations Integration Core
AVEVA Data Acquisition Servers
AVEVA Batch Management
AVEVA MES
AVEVA SuiteLink Server
AVEVA System Platform
AVEVA InTouch
AVEVA Historian
AVEVA Communication Drivers Pack
AVEVA Operations Integration Core
AVEVA Data Acquisition Servers
AVEVA Batch Management
AVEVA MES
AVEVA SuiteLink Server
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 in SuiteLink server while processing commands 0x05/0x06. A remote attacker can pass specially crafted data to the application, 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-2021-32959
Install updates from vendor's website.