mbed TLS up to 3.5.2 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 described as critical has been identified in mbed TLS up to 3.5.2. Affected is an unknown function. Such manipulation leads to stack-based overflow. This vulnerability is uniquely identified as CVE-2024-30166. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in mbed TLS up to 3.5.2. It has been rated as critical. Affected by this issue is an unknown code block. The manipulation 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:

In Mbed TLS 3.3.0 through 3.5.2 before 3.6.0, a malicious client can cause information disclosure or a denial of service because of a stack buffer over-read (of less than 256 bytes) in a TLS 1.3 server via a TLS 3.1 ClientHello.

The advisory is available at github.com. This vulnerability is handled as CVE-2024-30166 since 03/24/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 211934 (CBL Mariner 2.0 Security Update: hvloader (CVE-2024-30166)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.6.0 eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (211934). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 211934
Nessus Name: CBL Mariner 2.0 Security Update: hvloader (CVE-2024-30166)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: mbed TLS 3.6.0

Timelineinfo

03/24/2024 🔍
04/03/2024 +9 days 🔍
04/03/2024 +0 days 🔍
06/27/2025 +450 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2024-30166 (🔍)
GCVE (CVE): GCVE-0-2024-30166
GCVE (VulDB): GCVE-100-259082

Entryinfo

Created: 04/03/2024 06:25
Updated: 06/27/2025 19:55
Changes: 04/03/2024 06:25 (53), 11/28/2024 11:51 (3), 06/27/2025 19:55 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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