Milesight UR32L 32.3.0.5 HTTP Request vtysh_ubus set_openvpn_client remote_ip/port stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Milesight UR32L 32.3.0.5. Impacted is the function set_openvpn_client of the file vtysh_ubus of the component HTTP Request Handler. Such manipulation of the argument remote_ip/port leads to stack-based overflow. This vulnerability is referenced as CVE-2023-25115. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in Milesight UR32L 32.3.0.5 and classified as critical. Affected by this issue is the function set_openvpn_client of the file vtysh_ubus of the component HTTP Request Handler. The manipulation of the argument remote_ip/port with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

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_ip and the port variables.

The weakness was published 07/06/2023 as TALOS-2023-1716. The advisory is available at talosintelligence.com. This vulnerability is handled as CVE-2023-25115 since 02/02/2023. Technical details as well as a public exploit are known.

The exploit is available at talosintelligence.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.2
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CNA Base Score: 7.2
CNA Vector (Talos): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/02/2023 🔍
07/06/2023 +153 days 🔍
07/06/2023 +0 days 🔍
11/06/2025 +854 days 🔍

Sourcesinfo

Advisory: TALOS-2023-1716
Status: Not defined

CVE: CVE-2023-25115 (🔍)
GCVE (CVE): GCVE-0-2023-25115
GCVE (VulDB): GCVE-100-233150
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/06/2023 18:11
Updated: 11/06/2025 04:20
Changes: 07/06/2023 18:11 (55), 07/24/2023 11:00 (11), 11/06/2025 04:20 (21)
Complete: 🔍
Cache ID: 216::103

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