#VU83208 Execution with unnecessary privileges in AVEVA Software, LLC. products - CVE-2023-33873

Vulnerability identifier: #VU83208

Vulnerability risk: Low

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

CVE-ID: CVE-2023-33873

CWE-ID: CWE-250

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
AVEVA SystemPlatform
Other software / Other software solutions
AVEVA Application Server
Other software / Other software solutions
AVEVA Enterprise Licensing
Other software / Other software solutions
AVEVA Recipe Management
Other software / Other software solutions
AVEVA Worktasks
Other software / Other software solutions
AVEVA Plant SCADA
Other software / Other software solutions
AVEVA Telemetry Server
Other software / Other software solutions
AVEVA Operations Control Logger
Other software / Other software solutions
AVEVA Historian
Server applications / Other server solutions
AVEVA InTouch
Server applications / Other server solutions
AVEVA Manufacturing Execution System
Server applications / Other server solutions
AVEVA Batch Management
Server applications / Other server solutions
AVEVA Mobile Operator
Server applications / Other server solutions
AVEVA Communication Drivers Pack
Server applications / Other server solutions
AVEVA Edge
Server applications / SCADA systems

Vendor: AVEVA Software, LLC.

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application binary has a setuid bit. A local low-privileged user can run the affected binary and execute arbitrary code on the system with root privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

AVEVA SystemPlatform: 2020 R2 SP1 P01

AVEVA Historian: 2020 R2 SP1 P01

AVEVA Application Server: 2020 R2 SP1 P01

AVEVA InTouch: 2020 R2 SP1 P01

AVEVA Enterprise Licensing: 3.7.002

AVEVA Manufacturing Execution System: 2020 P01

AVEVA Recipe Management: 2020 R2 Update 1 Patch 2

AVEVA Batch Management: 2020 SP1

AVEVA Edge: 2020 R2 SP1 P01

AVEVA Worktasks: 2020 U2

AVEVA Plant SCADA: 2020 R2 Update 15

AVEVA Mobile Operator: 2020 R1

AVEVA Communication Drivers Pack: 2020 R2 SP1

AVEVA Telemetry Server: 2020 R2 SP1

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External links
http://www.cisa.gov/news-events/ics-advisories/icsa-23-318-01
http://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AV...

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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.