{"id":"OESA-2024-1115","summary":"shim security update","details":"Initial UEFI bootloader that handles chaining to a trusted full \\ bootloader under secure boot environments.\r\n\r\nSecurity Fix(es):\r\n\r\nA 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.(CVE-2023-40547)\r\n\r\nA flaw was found in the MZ binary format in Shim. An out-of-bounds read may occur, leading to a crash or possible exposure of sensitive data during the system's boot phase.(CVE-2023-40551)","modified":"2025-09-03T06:19:24.765321Z","published":"2024-02-02T11:06:53Z","upstream":["CVE-2023-40547","CVE-2023-40551"],"database_specific":{"severity":"High"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2024-1115"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40547"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40551"}],"affected":[{"package":{"name":"shim","ecosystem":"openEuler:20.03-LTS-SP1","purl":"pkg:rpm/openEuler/shim&distro=openEuler-20.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"15-28.oe1"}]}],"ecosystem_specific":{"src":["shim-15-28.oe1.src.rpm"],"noarch":["shim-debugsource-15-28.oe1.noarch.rpm","shim-debuginfo-15-28.oe1.noarch.rpm"],"aarch64":["shim-15-28.oe1.aarch64.rpm"],"x86_64":["shim-15-28.oe1.x86_64.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2024-1115.json"}}],"schema_version":"1.7.3"}