MatrixSSL up to 4.2.1 DTLS Server sslDecode.c parseSSLHandshake Fragment Length memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability was found in MatrixSSL up to 4.2.1. It has been rated as critical. Impacted is the function parseSSLHandshake of the file sslDecode.c of the component DTLS Server. Performing a manipulation as part of Fragment Length results in memory corruption. This vulnerability is reported as CVE-2019-14431. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in MatrixSSL up to 4.2.1. It has been classified as critical. This affects the function parseSSLHandshake of the file sslDecode.c of the component DTLS Server. The manipulation as part of a Fragment Length leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In MatrixSSL 3.8.3 Open through 4.2.1 Open, the DTLS server mishandles incoming network messages leading to a heap-based buffer overflow of up to 256 bytes and possible Remote Code Execution in parseSSLHandshake in sslDecode.c. During processing of a crafted packet, the server mishandles the fragment length value provided in the DTLS message.

The weakness was disclosed 07/29/2019. This vulnerability is uniquely identified as CVE-2019-14431 since 07/29/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

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

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 9.0

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

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector (MITRE): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/29/2019 🔍
07/29/2019 +0 days 🔍
07/30/2019 +1 days 🔍
11/14/2023 +1568 days 🔍

Sourcesinfo

Product: github.com

Advisory: 30
Status: Not defined

CVE: CVE-2019-14431 (🔍)
GCVE (CVE): GCVE-0-2019-14431
GCVE (VulDB): GCVE-100-138957

Entryinfo

Created: 07/30/2019 08:44
Updated: 11/14/2023 08:25
Changes: 07/30/2019 08:44 (38), 07/15/2020 11:43 (17), 11/14/2023 08:24 (4), 11/14/2023 08:25 (12)
Complete: 🔍
Cache ID: 216::103

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