The Bug Report - May 2023 Edition

The Bug Report – May 2023 Edition By Mark Bereza · June 7, 2023 Why am I here? In the film The Number 23, Jim Carrey masterfully portrays Walter Sparrow, a man who finds himself obsessed with the number 23 after coming upon a book detailing the 23 enigma, and begins to see it everywhere he looks,...

EulerOS Virtualization 2.11.1 : grub2 (EulerOS-SA-2023-2043)

According to the versions of the grub2 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw in grub2 was found where its configuration file, known as grub.cfg, is being created with the wrong permission set allowing...

EulerOS Virtualization 2.11.0 : grub2 (EulerOS-SA-2023-2095)

According to the versions of the grub2 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw in grub2 was found where its configuration file, known as grub.cfg, is being created with the wrong permission set allowing...

PT-2023-15608 · Lenovo · Securebootdxe

Name of the Vulnerable Software and Affected Versions: Lenovo Desktop and ThinkStation models affected versions not specified Description: A buffer overflow vulnerability in the SecureBootDXE BIOS driver could allow an attacker with local access to elevate their privileges to execute arbitrary...

SUSE-SU-2023:2351-1 Security update for installation-images

This update of installation-images fixes the following issues: - rebuild the package with the new secure boot key bsc1209188...

PT-2023-36192 · Unknown · Installation-Images

Name of the Vulnerable Software and Affected Versions: installation-images affected versions not specified Description: The issue concerns a problem that has been fixed by rebuilding the package with a new secure boot key. Recommendations: At the moment, there is no information about a newer...

SUSE-SU-2023:2315-1 Security update for installation-images

This update of installation-images fixes the following issues: - rebuild the package with the new secure boot key bsc1209188...

PT-2023-36184 · Unknown · Installation-Images

Name of the Vulnerable Software and Affected Versions: installation-images affected versions not specified Description: The issue is related to the secure boot key. The package installation-images has been rebuilt with a new secure boot key. Recommendations: At the moment, there is no information...

Microsoft Patch Tuesday May 2023: Microsoft Edge, BlackLotus Secure Boot SFB, OLE RCE, Win32k EoP, NFS RCE, PGM RCE, LDAP RCE, SharePoint RCE

Microsoft Patch Tuesday May 2023: Microsoft Edge, BlackLotus Secure Boot SFB, OLE RCE, Win32k EoP, NFS RCE, PGM RCE, LDAP RCE, SharePoint RCE. Hello everyone! This episode will be about Microsoft Patch Tuesday for May 2023, including vulnerabilities that were added between April and May Patch...

Support Statement regarding Microsoft CVE-2023-24932

Challenge Microsoft recently released update KB5025885 containing changes to secure boot. These changes require specific actions to be taken to continue using Veeam Agent for Microsoft Windows bare metal recovery media and other restore operations. After applying the Microsoft Update with...

SUSE-SU-2023:2234-1 Security update for ovmf

This update for ovmf fixes the following issues: - CVE-2021-38578: Fixed potential underflow in SmmEntryPointwhen computing BufferSize bsc1196741. - CVE-2019-14560: Fixed potential secure boot bypass caused by improper check of GetEfiGlobalVariable2 return value bsc1174246. - revert a patch to fi...

Microsoft Secure Boot Bug

Microsoft is currently patching a zero-day Secure-Boot bug. The BlackLotus bootkit is the first-known real-world malware that can bypass Secure Boot protections, allowing for the execution of malicious code before your PC begins loading Windows and its many security protections. Secure Boot has...

Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2023-1889)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

EulerOS Virtualization 2.10.0 : grub2 (EulerOS-SA-2023-1920)

According to the versions of the grub2 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw was found in grub2 in versions prior to 2.06. The cutmem command does not honor secure boot locking allowing an privileged...

EulerOS Virtualization 2.10.1 : grub2 (EulerOS-SA-2023-1889)

According to the versions of the grub2 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw was found in grub2 in versions prior to 2.06. The cutmem command does not honor secure boot locking allowing an privileged...

Oracle Linux 9 : fwupd (ELSA-2023-2487)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-2487 advisory. 1.8.10-2.0.1 - Drop pesign.service restart in postun Orabug: 34760075 - Update signing certificate JIRA: OLDIS-16371 - Rebuild for SecureBoot signature...

AlmaLinux 9 : fwupd (ALSA-2023:2487)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2023:2487 advisory. - When creating an OPERATOR user account on the BMC, the redfish plugin saved the auto-generated password to /etc/fwupd/redfish.conf without proper...

RHEL 9 : fwupd (RHSA-2023:2487)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:2487 advisory. The fwupd packages provide a service that allows session software to update device firmware. Security Fixes: fwupd: world readable password ...

The vulnerability in the implementation of the Secure Boot protocol for operating systems with Windows, which allows attackers to circumvent existing security restrictions.

The vulnerability of the Secure Boot protocol for loading operating systems on Windows is related to errors in accessing debugging functions during the loading process. Exploiting this vulnerability could allow an attacker to circumvent existing security restrictions...

Microsoft's May Patch Tuesday Fixes 38 Flaws, Including 2 Exploited Zero-Day Bugs

Microsoft has rolled out Patch Tuesday updates for May 2023 to address 38 security flaws, including two zero-day bugs that it said are being actively exploited in the wild. Trend Micro's Zero Day Initiative ZDI said the volume is the lowest since August 2021, although it pointed out that "this...