Deserialization of Untrusted Data in Schneider Electric Easergy Studio

1) Deserialization of Untrusted Data

EUVDB-ID: #VU85430

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-7032

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data. A local user can pass specially crafted data to the application and execute arbitrary code on the target system with elevated privileges.

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Easergy Studio: 9.3.5

External links

http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2024-009-02&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2024-009-02.pdf
http://www.cisa.gov/news-events/ics-advisories/icsa-24-011-05
http://www.zerodayinitiative.com/advisories/ZDI-24-098/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.