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 product does not handle or incorrectly handles an exceptional condition.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Matrixssl | Matrixssl | 3.8.2 (including) | 4.2.1 (including) |
| Matrixssl | Ubuntu | trusty | * |