CVE-2023-40547 Information

Description

A remote code execution vulnerability was found in Shim. The Shim boot support trusts attacker-controlled values when parsing an HTTP response. This flaw allows an attacker to craft a specific malicious HTTP request leading to a completely controlled out-of-bounds write primitive and complete system compromise.

Reference

https://access.redhat.com/security/cve/CVE-2023-40547 https://bugzilla.redhat.com/show_bug.cgi?id=2234589