#VU21050 Integer overflow in PI SQL Client

Vulnerability identifier: #VU21050

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: N/A

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PI SQL Client
Server applications / Database software

Vendor: OSIsoft

Description

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

The vulnerability exists due to integer overflow. A remote attacker can exploit this vulnerability in a third-party component, trigger integer overflow and execute arbitrary code on the client computer with the same permissions as the PI SQL Client user.

Communication with a malicious PI SQL Data Access Server (RTQP Engine) is needed to expose a PI SQL client to this vulnerability.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PI SQL Client: 2018

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External links
https://ics-cert.us-cert.gov/advisories/icsa-19-253-06

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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.