Improper access control in Crypto Application Server (CAS) - #VU73865

 

Improper access control in Crypto Application Server (CAS) - #VU73865

Published: March 21, 2023 / Updated: April 4, 2023


Vulnerability identifier: #VU73865
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: General Bytes
Affected software:
Crypto Application Server (CAS)

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper access restrictions in the master service interface on port 7741/TCP. A remote attacker can send a specially crafted request to the affected server and execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install updates from vendor's website.

Sources