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MatrixSSL <= 4.2.1 RCE Vulnerability

Information

Severity

Severity

Critical

Family

Family

General

CVSSv2 Base

CVSSv2 Base

10.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

None Solution Available

Created

Created

4 years ago

Modified

Modified

4 years ago

Summary

MatrixSSL is prone to a remote code execution vulnerability.

Insight

Insight

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.

Affected Software

Affected Software

MatrixSSL version 4.2.1 and prior.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

No known solution is available as of 05th August, 2019. Information regarding this issue will be updated once solution details are available.

Common Vulnerabilities and Exposures (CVE)