CVE-2023-25087: 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 firewall_handler_set function with the index and to_dport variables.
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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Frequently Asked Questions
What is CVE-2023-25087?
CVE-2023-25087 refers to multiple buffer overflow vulnerabilities in the vtysh_ubus binary of Milesight UR32L v32.3.0.5.
What is the severity of CVE-2023-25087?
The severity of CVE-2023-25087 is high with a CVSS score of 7.2.
How do I fix the CVE-2023-25087 vulnerability?
To fix the CVE-2023-25087 vulnerability, update Milesight UR32L firmware to version 32.3.0.6 or later.
How can an attacker exploit CVE-2023-25087?
An attacker with high privileges can exploit CVE-2023-25087 by sending specially crafted HTTP requests that trigger buffer overflow vulnerabilities, leading to arbitrary code execution.
Is Milesight UR32L v32.3.0.5 vulnerable to CVE-2023-25087?
Yes, Milesight UR32L v32.3.0.5 is vulnerable to CVE-2023-25087.
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