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CVE-2023-25123

HIGHCVSS 7.2/10EPSS 1.32%

Last modified

CVE-2023-25123 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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. EPSS estimates a 1.32% chance of exploitation in the next 30 days.

Description

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_openvpn_client function with the remote_subnet and the remote_mask variables when action is 2.

Metrics

CVSS 3.1
7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.32%

67.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MilesightUr32l Firmware32.3.0.5

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-25123?
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_openvpn_client function with the remote_subnet and the remote_mask variables when action is 2.
How severe is CVE-2023-25123?
CVE-2023-25123 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.32% probability of exploitation in the next 30 days.
How do I fix CVE-2023-25123?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-25123?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST