CVE-2023-25120: 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_dmvpn function with the cisco_secret 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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Frequently Asked Questions
What is CVE-2023-25120?
CVE-2023-25120 is a vulnerability that allows an attacker to execute arbitrary code by exploiting multiple buffer overflow vulnerabilities in the vtysh_ubus binary of Milesight UR32L v32.3.0.5.
How severe is CVE-2023-25120?
CVE-2023-25120 has a severity rating of 7.2 (high).
What software versions are affected by CVE-2023-25120?
Versions of Milesight UR32L firmware up to and including v32.3.0.5 are affected by CVE-2023-25120.
How can an attacker exploit CVE-2023-25120?
An attacker with high privileges can exploit CVE-2023-25120 by sending a specially crafted HTTP request to trigger the buffer overflow vulnerabilities in the vtysh_ubus binary.
Is Milesight UR32L vulnerable to CVE-2023-25120?
No, Milesight UR32L itself is not vulnerable to CVE-2023-25120, only its firmware version up to and including v32.3.0.5.
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