Security Bulletin: TSSC/IMC is vulnerable to a Prefix truncation attack on Binary Packet Protocol

Summary

TSSC/IMC is vulnerable to a Prefix truncation attack on Binary Packet Protocold. A patch has been provided that updates the libssh library. CVE-2023-48795.

Vulnerability Details

CVEID:CVE-2023-48795
**DESCRIPTION:**OpenSSH is vulnerable to a machine-in-the-middle attack, caused by a flaw in the extension negotiation process in the SSH transport protocol when used with certain OpenSSH extensions. A remote attacker could exploit this vulnerability to launch a machine-in-the-middle attack and strip an arbitrary number of messages after the initial key exchange, breaking SSH extension negotiation and downgrading the client connection security.
CVSS Base score: 10
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/275282 for the current score.
CVSS Vector:

Affected Products and Versions

Remediation/Fixes

Upgrade to 9.4.26/9.5.8

Download patch and execute on TSSC/IMC system

Total Storage Service Console (TSSC) / TS4500 IMC| 9.4.21|

Upgrade to 9.4.26/9.5.8

Download patch and execute on TSSC/IMC system

Total Storage Service Console (TSSC) / TS4500 IMC| 9.4.26| Download patch and execute on TSSC/IMC system
Total Storage Service Console (TSSC) / TS4500 IMC| 9.5.8| Download patch and execute on TSSC/IMC system

Please refer to the Maintenance Information document for information on how to download the patch

Workarounds and Mitigations

None