Summary There is a vulnerability in the Netty library used by IBM WebSphere Application Server Liberty with the grpc-1.0 or grpcClient-1.0 feature enabled. Vulnerability Details CVEID:CVE-2024-47535 DESCRIPTION: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. An unsafe reading of environment file could potentially cause a denial of service in Netty. When loaded on an Windows application, Netty attempts to load a file that does not exist. If an attacker creates such a large file, the Netty application crashes. This vulnerability is fixed in 4.1.115. CWE:CWE-400: Uncontrolled Resource Consumption CVSS Source: CVE.org CVSS Base score: 5.5 CVSS Vector:(CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) Affected Products and Versions Affected Product(s)| Version(s) —|— IBM WebSphere Application Server Liberty| 21.0.0.2 – 25.0.0.1 Remediation/Fixes IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR PH64741. To determine if a feature is enabled for IBM WebSphere Application Server Liberty, refer to How to determine if Liberty is using a specific feature. For IBM WebSphere Application Server Liberty 21.0.0.2 – 25.0.0.1 using the grpc-1.0 or grpcClient-1.0 feature(s): · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves…Read More
Security Bulletin: IBM WebSphere Application Server Liberty is vulnerable to a denial of service due to Netty (CVE-2024-47535)
