Security Bulletin: This Power System update is being released to address CVE-2022-4304

Summary

The OpenSSL RSA Decryption timing-based side channel attack affects BMC’s HTTPS and SSH connections.

Vulnerability Details

CVEID:CVE-2022-4304
**DESCRIPTION:**OpenSSL could allow a remote attacker to obtain sensitive information, caused by a timing-based side channel in the RSA Decryption implementation. By sending an overly large number of trial messages for decryption, an attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/246612 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

Customers with the products below should install OP910.80 or newer to remediate this vulnerability.

Power 9

1. IBM Power System AC922 (8335-GTG)

Customers with the products below should install OP940.60 or newer to remediate this vulnerability.

Power 9

1. IBM Power System AC922 (8335-GTH, 8335-GTX)

Customers with the products below should install FW1020.40(1020_106) or install FW1030.20(1030_060) or newer to remediate this vulnerability.

Power 10

1. IBM Power System S1022 (9105-22A)
2. IBM Power System S1024 (9105-42A)
3. IBM Power System S1022S (9105-22B)
4. IBM Power System S1014 (9105-41B)
5. IBM Power System E1050 (9043-MRX)
6. IBM Power System L1022 (9786-22H)
7. IBM Power System L1024 (9786-42H)

Customers with the products below should install OP940.60 or newer firmware to remediate this vulnerability.

Power 9

1. IBM Power Hardware Management Console System Firmware (7063-CR2)

Workarounds and Mitigations

None