Mozilla: Screen hijack via browser fullscreen mode

The Mozilla Foundation Security Advisory describes this flaw as: A background script invoking requestFullscreen and then blocking the main thread could force the browser into fullscreen mode indefinitely, resulting in potential user confusion or spoofing attacks...

Samsung Introduces New Feature to Protect Users from Zero-Click Malware Attacks

Samsung has announced a new feature called Message Guard that comes with safeguards to protect users from malware and spyware via what's referred to as zero-click attacks. The South Korean chaebol said the solution "preemptively" secures users' devices by "limiting exposure to invisible threats...

SUSE CVE-2019-20908

An issue was discovered in drivers/firmware/efi/efi.c in the Linux kernel before 5.4. Incorrect access permissions for the efivarssdt ACPI variable could be used by attackers to bypass lockdown or secure boot restrictions, aka CID-1957a85b0032...

SUSE CVE-2020-14372

A flaw was found in grub2 in versions prior to 2.06, where it incorrectly enables the usage of the ACPI command when Secure Boot is enabled. This flaw allows an attacker with privileged access to craft a Secondary System Description Table SSDT containing code to overwrite the Linux kernel lockdow...

SUSE CVE-2020-15780

An issue was discovered in drivers/acpi/acpiconfigfs.c in the Linux kernel before 5.7.7. Injection of malicious ACPI tables via configfs could be used by attackers to bypass lockdown and secure boot restrictions, aka CID-75b0cea7bf30...

SUSE CVE-2021-3418

If certificates that signed grub are installed into db, grub can be booted directly. It will then boot any kernel without signature validation. The booted kernel will think it was booted in secureboot mode and will implement lockdown, yet it could have been tampered. This flaw is a reintroduction...

SUSE CVE-2022-21499

KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown. An attacker with access to a serial port could trigger the debugger so it is important that the debugger respect the lockdown mode when/if it is triggered. CVSS 3.1 Base Score 6.7...

SUSE CVE-2022-21505

In the linux kernel, if IMA appraisal is used with the "imaappraise=log" boot param, lockdown can be defeated with kexec on any machine when Secure Boot is disabled or unavailable. IMA prevents setting "imaappraise=log" from the boot param when Secure Boot is enabled, but this does not cover case...

CVE-2022-34436

Dell iDRAC8 version 2.83.83.83 and prior contain an improper input validation vulnerability in Racadm when the firmware lock-down configuration is set. A remote high privileged attacker could exploit this vulnerability to bypass the firmware lock-down configuration and perform a firmware update...

Dell iDRAC9 输入验证错误漏洞

The Dell iDRAC9 is a Dell offering that provides comprehensive, embedded management, and automation capabilities across the PowerEdge family of servers. A controller. A security vulnerability exists in Dell iDRAC9 version 6.00.02.00 and prior versions that originates from incorrect input validati...

Dell iDRAC8 输入验证错误漏洞

The Dell iDRAC8 is a controller from Dell, Inc. It provides provides comprehensive, embedded management, and automation capabilities across the PowerEdge family of servers. A security vulnerability exists in Dell iDRAC8 version 2.83.83.83 and prior versions, which stems from incorrect input...

K05975972: BIG-IP self IP vulnerability CVE-2020-5923

Security Advisory Description Self-IP port-lockdown bypass by way of IPv6 link-local addresses. CVE-2020-5923 Impact Port lockdowns may be bypassable on accessible self IP addresses on an ipv6 link-local address. Security Advisory Status F5 Product Development has assigned ID 832885 BIG-IP and ID...

Microsoft Details Gatekeeper Bypass Vulnerability in Apple macOS Systems

Microsoft has disclosed details of a now-patched security flaw in Apple macOS that could be exploited by an attacker to get around security protections imposed to prevent the execution of malicious applications. The shortcoming, dubbed Achilles CVE-2022-42821, CVSS score: 5.5, was addressed by th...

Gatekeeper’s Achilles heel: Unearthing a macOS vulnerability

On July 27, 2022, Microsoft discovered a vulnerability in macOS that can allow attackers to bypass application execution restrictions imposed by Apple’s Gatekeeper security mechanism, designed to ensure only trusted apps run on Mac devices. We developed a proof-of-concept exploit to demonstrate t...

Gatekeeper’s Achilles heel: Unearthing a macOS vulnerability

On July 27, 2022, Microsoft discovered a vulnerability in macOS that can allow attackers to bypass application execution restrictions imposed by Apple’s Gatekeeper security mechanism, designed to ensure only trusted apps run on Mac devices. We developed a proof-of-concept exploit to demonstrate t...

ignition security, bug fix, and enhancement update

2.14.0-1 - New release - Add ignition-apply symlink - Add ignition-rmcfg symlink and ignition-delete-config.service 2.13.0-2 - Rename -validate-nonlinux subpackage to -validate-redistributable - Add static Linux binaries to -redistributable - Fix macro invocation in comment - Avoid kernel lockdow...

kernel: possible to use the debugger to write zero into a location of choice

A flaw was found in the kernel/debug/debugcore.c in the Linux kernel in lockdown mode. This flaw allows an attacker with local access to trigger the debugger, bypass lockdown and write anonymously...

kernel: possible to use the debugger to write zero into a location of choice

A flaw was found in the kernel/debug/debugcore.c in the Linux kernel in lockdown mode. This flaw allows an attacker with local access to trigger the debugger, bypass lockdown and write anonymously...

kernel: possible to use the debugger to write zero into a location of choice

A flaw was found in the kernel/debug/debugcore.c in the Linux kernel in lockdown mode. This flaw allows an attacker with local access to trigger the debugger, bypass lockdown and write anonymously...

kernel: possible to use the debugger to write zero into a location of choice

A flaw was found in the kernel/debug/debugcore.c in the Linux kernel in lockdown mode. This flaw allows an attacker with local access to trigger the debugger, bypass lockdown and write anonymously...