Stack-based buffer overflow in DNP3 Outstation Libraries - CVE-2020-6996
Published: April 15, 2020
Vulnerability identifier: #VU26956
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-6996
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A remote unauthenticated attacker can send a specially crafted message, trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
DNP3 Outstation Libraries
How to mitigate CVE-2020-6996
Install updates from vendor's website.
DNP3 Outstation Libraries - update to 3.26