Test ID:	1.3.6.1.4.1.25623.1.1.2.2024.1270
Category:	Huawei EulerOS Local Security Checks
Title:	Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2024-1270)
Summary:	The remote host is missing an update for the Huawei EulerOS 'grub2' package(s) announced via the EulerOS-SA-2024-1270 advisory.
Description:	Summary: The remote host is missing an update for the Huawei EulerOS 'grub2' package(s) announced via the EulerOS-SA-2024-1270 advisory. Vulnerability Insight: An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, leading to grub's heap metadata corruption. In some circumstances, the attack may also corrupt the UEFI firmware heap metadata. As a result, arbitrary code execution and secure boot protection bypass may be achieved.(CVE-2023-4692) An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack allows sensitive data cached in memory or EFI variable values to be leaked, presenting a high Confidentiality risk.(CVE-2023-4693) Affected Software/OS: 'grub2' package(s) on Huawei EulerOS V2.0SP8. Solution: Please install the updated package(s). CVSS Score: 6.8 CVSS Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2023-4692 RHBZ#2236613 https://bugzilla.redhat.com/show_bug.cgi?id=2236613 RHSA-2024:2456 https://access.redhat.com/errata/RHSA-2024:2456 RHSA-2024:3184 https://access.redhat.com/errata/RHSA-2024:3184 https://access.redhat.com/security/cve/CVE-2023-4692 https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FUU42E7CPYLATXOYVYNW6YTXXULAOV6L/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OIRJ5UZRXX2KLR4IKBJEQUNGOCXMMDLY/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PERFILCHFEUGG3OAMC6W55P6DDIBZK4Q/ https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html https://seclists.org/oss-sec/2023/q4/37 https://security.gentoo.org/glsa/202311-14 https://security.netapp.com/advisory/ntap-20231208-0002/ Common Vulnerability Exposure (CVE) ID: CVE-2023-4693 RHBZ#2238343 https://bugzilla.redhat.com/show_bug.cgi?id=2238343 https://access.redhat.com/security/cve/CVE-2023-4693
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