Remote code execution in AVEVA InduSoft Web Studio and InTouch Edge HMI
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2019-6543 CVE-2019-6545 |
| CWE-ID | CWE-306 CWE-99 |
| Exploitation vector | Network |
| Public exploit |
Public exploit code for vulnerability #1 is available. Public exploit code for vulnerability #2 is available. |
| Vulnerable software Subscribe |
InTouch Edge HMI Server applications / SCADA systems AVEVA Edge Server applications / SCADA systems |
| Vendor | AVEVA Software, LLC. |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Missing authentication for critical function
EUVDB-ID: #VU17382
Risk: High
CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2019-6543
CWE-ID:
CWE-306 - Missing Authentication for Critical Function
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in the TCP/IP Server Task due to missing authentication for critical function. A remote unauthenticated attacker can execute arbitrary code under the program runtime privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsInTouch Edge HMI: before 2017 Update 3
AVEVA Edge: before 81.3.0
External linkshttp://sw.aveva.com/hubfs/assets-2018/pdf/security-bulletin/SecurityBulletin_LFSec133.pdf
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
2) Resource injection
EUVDB-ID: #VU17383
Risk: High
CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2019-6545
CWE-ID:
CWE-99 - Improper Control of Resource Identifiers ('Resource Injection')
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in the TCP/IP Server Task due to resource injection. A remote unauthenticated attacker can use a specially crafted database connection configuration file and execute arbitrary code under the program runtime privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsInTouch Edge HMI: before 2017 Update 3
AVEVA Edge: before 81.3.0
External linkshttp://sw.aveva.com/hubfs/assets-2018/pdf/security-bulletin/SecurityBulletin_LFSec133.pdf
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
