Milesight UR32L 32.3.0.5 Network Request urvpn_client http_connection_readcb buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Milesight UR32L 32.3.0.5. Affected by this issue is the function http_connection_readcb of the file urvpn_client of the component Network Request Handler. Such manipulation leads to buffer overflow. This vulnerability is listed as CVE-2023-24019. The attack may be performed from remote. In addition, 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 http_connection_readcb of the file urvpn_client of the component Network Request Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A stack-based buffer overflow vulnerability exists in the urvpn_client http_connection_readcb functionality of Milesight UR32L v32.3.0.5. A specially crafted network packet can lead to a buffer overflow. An attacker can send a malicious packet to trigger this vulnerability.

The weakness was presented 07/06/2023 as TALOS-2023-1718. The advisory is shared for download at talosintelligence.com. This vulnerability is handled as CVE-2023-24019 since 02/06/2023. Successful exploitation requires user interaction by the victim. 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 7.8

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (Talos): 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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

02/06/2023 🔍
07/06/2023 +149 days 🔍
07/06/2023 +0 days 🔍
07/06/2023 +0 days 🔍

Sourcesinfo

Advisory: TALOS-2023-1718
Status: Not defined

CVE: CVE-2023-24019 (🔍)
GCVE (CVE): GCVE-0-2023-24019
GCVE (VulDB): GCVE-100-233168
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/06/2023 18:18
Changes: 07/06/2023 18:18 (54)
Complete: 🔍
Cache ID: 216::103

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