Remote code execution in Triangle MicroWorks DNP3 Outstation Libraries
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-6996 |
| CWE-ID | CWE-121 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
DNP3 Outstation Libraries Universal components / Libraries / Libraries used by multiple products |
| Vendor | Triangle MicroWorks, Inc. |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Stack-based buffer overflow
EUVDB-ID: #VU26956
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-6996
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsDNP3 Outstation Libraries: 3.16.00 - 3.25.01
External linkshttp://ics-cert.us-cert.gov/advisories/icsa-20-105-02
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
