{"schema_version":"1.7.2","id":"OESA-2024-1185","modified":"2024-02-23T11:07:01Z","published":"2024-02-23T11:07:01Z","upstream":["CVE-2023-0464"],"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 security vulnerability has been identified in all supported versions\r\n\r\nof OpenSSL related to the verification of X.509 certificate chains\nthat include policy constraints.  Attackers may be able to exploit this\nvulnerability by creating a malicious certificate chain that triggers\nexponential use of computational resources, leading to a denial-of-service\n(DoS) attack on affected systems.\r\n\r\nPolicy processing is disabled by default but can be enabled by passing\nthe `-policy\u0026apos; argument to the command line utilities or by calling the\n`X509_VERIFY_PARAM_set1_policies()\u0026apos; function.(CVE-2023-0464)","affected":[{"package":{"ecosystem":"openEuler:20.03-LTS-SP1","name":"shim","purl":"pkg:rpm/openEuler/shim\u0026distro=openEuler-20.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"15-28.oe1"}]}],"ecosystem_specific":{"aarch64":["shim-15-28.oe1.aarch64.rpm"],"noarch":["shim-debugsource-15-28.oe1.noarch.rpm","shim-debuginfo-15-28.oe1.noarch.rpm"],"src":["shim-15-28.oe1.src.rpm"],"x86_64":["shim-15-28.oe1.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2024-1185"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0464"}],"database_specific":{"severity":"High"}}