What is CVE-2023-25100?

CVE-2023-25100 is a vulnerability that exists in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 firmware due to the use of an unsafe sprintf pattern, which can lead to arbitrary code execution.

How does CVE-2023-25100 affect Milesight UR32L firmware?

CVE-2023-25100 affects Milesight UR32L firmware version 32.3.0.5 by introducing multiple buffer overflow vulnerabilities in the vtysh_ubus binary.

What is the severity of CVE-2023-25100?

CVE-2023-25100 has a severity rating of 7.2 (High).

How can an attacker exploit CVE-2023-25100?

An attacker with high privileges can exploit CVE-2023-25100 by sending a specially crafted HTTP request to the vulnerable system, leading to arbitrary code execution.

Is Milesight UR32L software vulnerable to CVE-2023-25100?

Yes, Milesight UR32L firmware version 32.3.0.5 is vulnerable to CVE-2023-25100.

Vulnerability/
CVE-2023-25100

high

7.2

CWE

787 121 119

6/7/2023

2/8/2024

CVE-2023-25100: Buffer Overflow

First published: Thu Jul 06 2023(Updated: )

Multiple buffer overflow vulnerabilities exist in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 due to the use of an unsafe sprintf pattern. A specially crafted HTTP request can lead to arbitrary code execution. An attacker with high privileges can send HTTP requests to trigger these vulnerabilities.This buffer overflow occurs in the set_qos function with the default_class variable.

Credit: talos-cna@cisco.com talos-cna@cisco.com

Affected Software	Affected Version	How to fix
Milesight Ur32l Firmware	=32.3.0.5
Milesight UR32L

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Reference Links

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1716

Frequently Asked Questions

What is CVE-2023-25100?
CVE-2023-25100 is a vulnerability that exists in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 firmware due to the use of an unsafe sprintf pattern, which can lead to arbitrary code execution.
How does CVE-2023-25100 affect Milesight UR32L firmware?
CVE-2023-25100 affects Milesight UR32L firmware version 32.3.0.5 by introducing multiple buffer overflow vulnerabilities in the vtysh_ubus binary.
What is the severity of CVE-2023-25100?
CVE-2023-25100 has a severity rating of 7.2 (High).
How can an attacker exploit CVE-2023-25100?
An attacker with high privileges can exploit CVE-2023-25100 by sending a specially crafted HTTP request to the vulnerable system, leading to arbitrary code execution.
Is Milesight UR32L software vulnerable to CVE-2023-25100?
Yes, Milesight UR32L firmware version 32.3.0.5 is vulnerable to CVE-2023-25100.

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version/milesight ur32l firmware/32.3.0.5
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