CVE-2022-2601 & CVE-2022-3775: Multiple GRUB2 vulnerabilities

Security Advisory ID : BSA-2022-2139 Component : GRUB2 Revision : 1.0 Brocade PSIRT has become aware of two grub vulnerabilities. CVE-2022-2601 grub2: A buffer overflow in grubfontconstructglyph can lead to out-of-bound write and possible secure boot by-pass A buffer overflow was found in...

OESA-2022-2118 grub2 security update

GNU GRUB is a Multiboot boot loader. It was derived from GRUB, the GRand Unified Bootloader, which was originally designed and implemented by Erich Stefan Boleyn.Briefly, a boot loader is the first software program that runs when a computer starts. It is responsible for loading and transferring...

Cisco Adaptive Security Appliance (ASA) Secure Firewall 3100 Series Secure Boot Bypass (cisco-sa-fw3100-secure-boot-5M8mUh26)

According to its self-reported version, Cisco ASA Software is affected by a vulnerability in the secure boot implementation of Cisco Secure Firewalls 3100 Series that are running Cisco Adaptive Security Appliance ASA Software or Cisco Firepower Threat Defense FTD . A logic error in the boot proce...

Cisco Secure Firewall 3100 Series Secure Boot Bypass (cisco-sa-fw3100-secure-boot-5M8mUh26)

According to its self-reported version, Cisco FTD Software is affected by a vulnerability in the secure boot implementation of Cisco Secure Firewalls 3100 Series that are running Cisco Adaptive Security Appliance ASA Software or Cisco Firepower Threat Defense FTD . A logic error in the boot proce...

Moderate: Red Hat Security Advisory: grub2 security update

An update for grub2 is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

grub2: Buffer overflow in grub_font_construct_glyph() can lead to out-of-bound write and possible secure boot bypass

A flaw was found where a maliciously crafted pf2 font could lead to an out-of-bounds write in grub2. A successful attack can lead to memory corruption and secure boot circumvention...

Debian dla-3190 : grub-common - security update

The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3190 advisory. - ------------------------------------------------------------------------- Debian LTS Advisory DLA-3190-1 [email protected]...

Debian DSA-5280-1 : grub2 - security update

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5280 advisory. - grub2: Buffer overflow in grubfontconstructglyph can lead to out-of-bound write and possible secure boot bypass CVE-2022-2601 - grub2: Heap based out-of-bounds...

RHEL 8 : grub2 (RHSA-2022:8494)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:8494 advisory. The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a highly configurable and customizable boot loader with modular...

Cisco Firepower Threat Defense 安全漏洞

Cisco Firepower Threat Defense FTD and Cisco Adaptive Security Appliance are both products of Cisco Corporation.Cisco Firepower Threat Defense is a suite of unified software that provides next-generation firewall services. Cisco Adaptive Security Appliance is a network appliance. Used to protect...

CVE-2022-24936 Gecko Standalone Bootloader vulnerability may allow bypassing application secure boot in some Series 2 devices

Out-of-Bounds error in GBL parser in Silicon Labs Gecko Bootloader version 4.0.1 and earlier allows attacker to overwrite flash Sign key and OTA decryption key via malicious bootloader upgrade...

CVE-2022-40250

An attacker can exploit this vulnerability to elevate privileges from ring 0 to ring -2, execute arbitrary code in System Management Mode - an environment more privileged than operating system OS and completely isolated from it. Running arbitrary code in SMM additionally bypasses SMM-based SPI...

CVE-2022-40261

An attacker can exploit this vulnerability to elevate privileges from ring 0 to ring -2, execute arbitrary code in System Management Mode - an environment more privileged than operating system OS and completely isolated from it. Running arbitrary code in SMM additionally bypasses SMM-based SPI...

PT-2022-25306 · Unknown · Overclocksmihandler

Name of the Vulnerable Software and Affected Versions: OverClockSmiHandler affected versions not specified Description: An attacker can exploit this issue to elevate privileges from ring 0 to ring -2, execute arbitrary code in System Management Mode - an environment more privileged than the...

CVE-2022-34302

A flaw was found in New Horizon Datasys bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader...

CVE-2022-34301

A flaw was found in CryptoPro Secure Disk bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader...

CVE-2022-34302

A flaw was found in New Horizon Datasys bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader...

CVE-2022-34303

A flaw was found in Eurosoft bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use...

The vulnerability of the Linux operating system’s kernel allows a hacker to bypass the secure boot mechanism and gain increased privileges.

The vulnerability of the Linux operating system’s kernel is related to security configuration errors. Exploiting this vulnerability can allow an attacker to bypass secure boot mechanisms and increase their privileges...

Ubuntu: Security Advisory (USN-5465-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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...