TLS Padding Oracle in MatrixSSL - CVE-2016-6883

 

TLS Padding Oracle in MatrixSSL - CVE-2016-6883

Published: January 3, 2024


Vulnerability identifier: #VU84951
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-6883
CWE-ID: CWE-310
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: InsideSecure
Affected software:
MatrixSSL

Detailed vulnerability description

The vulnerability allows a remote attacker to decrypt TLS traffic.

The vulnerability exists due to an error in TLS implementation. A remote attacker with ability to establish a large number of TLS connections with the target server can conduct an adaptive-chosen ciphertext attack against RSA cipher and gain access to sensitive information.

The attack is known as "ROBOT" (Return Of Bleichenbacher's Oracle Threat).


How to mitigate CVE-2016-6883

Install update from vendor's website.

Sources