CVE-2023-2270

Local privilege escalation

Published Jun 15, 2023 CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Description
The Netskope client service running with NT\SYSTEM privileges accepts network connections from localhost to start various services and execute commands. The connection handling function of Netskope client before R100 in this service utilized a relative path to download and unzip configuration files on the machine. This relative path provided a way for local users to write arbitrary files at a location which is accessible to only higher privileged users. This can be exploited by local users to execute code with NT\SYSTEM privileges on the end machine.

Remediation

Vendor Solution

Upgrade netskope client to R100 and above.


Vendor Workaround

Enable Netskope client hardening  listed here -   https://docs.netskope.com/en/netskope-client-hardening.html

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-33776 The Netskope client service running with NT\SYSTEM privileges accepts network connections from localhost to start various services and execute commands. The connection handling function of Netskope client before R100 in this service utilized a relative path to download and unzip configuration files on the machine. This relative path provided a way for local users to write arbitrary files at a location which is accessible to only higher privileged users. This can be exploited by local users to execute code with NT\SYSTEM privileges on the end machine.
History
Type Values Removed Values Added
Weaknesses CWE-20
Type Values Removed Values Added
Description The Netskope client service running with NT\SYSTEM privileges accepts network connections from localhost to start various services and execute commands. The connection handling function of Netskope client before R100 in this service utilized a relative path to download and unzip configuration files on the machine. This relative path provided a way for local users to write arbitrary files at a location which is accessible to only higher privileged users. This can be exploited by local users to execute code with NT\SYSTEM privileges on the end machine. The Netskope client service running with NT\SYSTEM privileges accepts network connections from localhost to start various services and execute commands. The connection handling function of Netskope client before R100 in this service utilized a relative path to download and unzip configuration files on the machine. This relative path provided a way for local users to write arbitrary files at a location which is accessible to only higher privileged users. This can be exploited by local users to execute code with NT\SYSTEM privileges on the end machine.
Weaknesses

Sources

Status
PUBLISHED
Assigner
Netskope
Published
Updated
Aug 28, 2024, 8:30 PM
Reserved
Apr 25, 2023, 5:16 AM
Status
Modified
Published
Jun 15, 2023, 5:15 AM
Modified
Jun 17, 2026, 5:52 AM