Security Bulletin: There is a vulnerability in Asset Data Dictionary used by IBM Maximo Manage application in IBM Maximo Application Suite (CVE-2023-34462 and CVE-2023-44487)

Summary

There is a vulnerability in Asset Data Dictionary used by IBM Maximo Manage application in IBM Maximo Application Suite

Vulnerability Details

CVEID:CVE-2023-34462
**DESCRIPTION:**Netty is vulnerable to a denial of service, caused by a flaw with allocating up to 16MB of heap for each channel during the TLS handshake the SniHandler class. By sending a specially crafted client hello packet, a remote authenticated attacker could exploit this vulnerability to cause a OutOfMemoryError and so result in a denial of service condition.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/258713 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2023-44487
**DESCRIPTION:**Multiple vendors are vulnerable to a denial of service, caused by a flaw in handling multiplexed streams in the HTTP/2 protocol. By sending numerous HTTP/2 requests and RST_STREAM frames over multiple streams, a remote attacker could exploit this vulnerability to cause a denial of service due to server resource consumption.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/268044 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

MAS 8.10.0 - Manage 8.6.0

IBM Maximo Application Suite - Manage Component|

MAS 8.11.0 - Manage 8.7.0

Remediation/Fixes

For IBM Maximo Manage application in IBM Maximo Application Suite:

Upgrade to Manage 8.6.9 or latest (available from the Catalog under Update Available)

Upgrade to MAS 8.11.6|

Upgrade to Manage 8.7.4 or latest (available from the Catalog under Update Available)

Workarounds and Mitigations

None