#VU9700 Information disclosure in Ellipse - CVE-2017-16731

Vulnerability identifier: #VU9700

Vulnerability risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-16731

CWE-ID: CWE-523

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Ellipse
Client/Desktop applications / Other client software

Vendor: ABB

Description
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists in the authentication of Ellipse to LDAP/AD using the LDAP protocol due to unprotected transport of credentials. A remote attacker can sniff local network traffic and discovery authentication credentials.

Mitigation
The vulnerability is addressed in the following versions: 8.5.26 Release 7, 8.6.21 Release 5, 8.7.18 Release 7, 8.8.12 Release 7, 8.9.6 Release 7.

Vulnerable software versions

Ellipse: 8.3 - 8.9.6

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External links
https://ics-cert.us-cert.gov/advisories/ICSA-17-353-01

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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.