Vulnerability identifier: #VU13926

Vulnerability risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-10620

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
AVEVA Edge
Server applications / SCADA systems
InTouch Edge HMI
Server applications / SCADA systems

Vendor: AVEVA Software, LLC.

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to stack-based buffer overflow during tag, alarm, or event related actions such as read and write. A remote unauthenticated attacker can send a specially crafted packet, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Vulnerable software versions

AVEVA Edge: 8.1 - 8.1 SP1

InTouch Edge HMI: 8.1 - 8.1 SP1

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External links
http://sw.aveva.com/hubfs/assets-2018/pdf/security-bulletin/SecurityBulletin_LFSec128(002).pdf

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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.