Security Bulletin: IBM Asset Data Dictionary Component uses netty-codec-http2-4.1.94, netty-handler-4.1.86 and netty-handler-4.1.92 which is vulnerable to CVE-2023-44487 and CVE-2023-34462

Summary

IBM Asset Data Dictionary Component uses netty-codec-http2-4.1.94, netty-handler-4.1.86 and netty-handler-4.1.92 which is vulnerable to CVE-2023-44487 and CVE-2023-34462. This bulletin contains information regarding the vulnerability and its fixture.

Vulnerability Details

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)

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)

Affected Products and Versions

Remediation/Fixes

Workarounds and Mitigations

None