Sysax Multi Server is prone to an overflow condition. The SSH service fails to properly sanitize user-supplied input resulting in a stack-based buffer overflow. With a specially crafted authentication request containing an overly long username, a remote attacker can potentially cause arbitrary code execution.
Classification
Location:
Remote / Network Access
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Solution:
Upgrade
Exploit:
Exploit Public
Disclosure:
Vendor Verified
Solution
Upgrade to version 5.55 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.
