CentOS: Security Advisory for grub2 (CESA-2020:3217)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...

SUSE SLES12 Security Update : grub2 (SUSE-SU-2020:2076-1)

This update for grub2 fixes the following issues : Fix for CVE-2020-10713 bsc1168994 Fix for CVE-2020-14308 CVE-2020-14309, CVE-2020-14310, CVE-2020-14311 bsc1173812 Fix for CVE-2020-15706 bsc1174463 Fix for CVE-2020-15707 bsc1174570 Use overflow checking primitives where the arithmetic expressio...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : GRUB 2 vulnerabilities (USN-4432-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4432-1 advisory. Jesse Michael and Mickey Shkatov discovered that the configuration parser in GRUB2 did not properly exit when errors were...

SUSE SLED15 / SLES15 Security Update : grub2 (SUSE-SU-2020:2074-1)

This update for grub2 fixes the following issues : Fix for CVE-2020-10713 bsc1168994 Fix for CVE-2020-14308 CVE-2020-14309, CVE-2020-14310, CVE-2020-14311 bsc1173812 Fix for CVE-2020-15706 bsc1174463 Fix for CVE-2020-15707 bsc1174570 Use overflow checking primitives where the arithmetic expressio...

SUSE SLES15 Security Update : grub2 (SUSE-SU-2020:2073-1)

This update for grub2 fixes the following issues : Fix for CVE-2020-10713 bsc1168994 Fix for CVE-2020-14308 CVE-2020-14309, CVE-2020-14310, CVE-2020-14311 bsc1173812 Fix for CVE-2020-15706 bsc1174463 Fix for CVE-2020-15707 bsc1174570 Use overflow checking primitives where the arithmetic expressio...

CVE-2020-10713 - BootHole

A flaw was found in grub2, prior to version 2.06. An attacker may use the GRUB 2 flaw to hijack and tamper the GRUB verification process. This flaw also allows the bypass of Secure Boot protections. In order to load an untrusted or modified kernel, an attacker would first need to establish access...

GNU GRUB2 Vulnerability

Free Software Foundation GNU Project's multiboot boot loader, GNU GRUB2, contains a vulnerability—CVE-2020-10713—that a local attacker could exploit to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review the...

Oracle Linux 8 : grub2 (ELSA-2020-5786)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-5786 advisory. - Fix CVE-2020-10713, CVE-2020-14308, CVE-2020-14309, CVE-2020-14310, CVE-2020-14311, CVE-2020-15705, CVE-2020-15706, CVE-2020-15707 Orabug: 31225072...

DSA-4735-2 grub2 - regression update

Bulletin has no description...

RHEL 8 : grub2 (RHSA-2020:3227)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3227 advisory. The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a highly configurable and customizable boot loader with modular...

Debian DSA-4735-1 : grub2 - security update

Several vulnerabilities have been discovered in the GRUB2 bootloader. - CVE-2020-10713 A flaw in the grub.cfg parsing code was found allowing to break UEFI Secure Boot and load arbitrary code. Details can be found at https://www.eclypsium.com/2020/07/29/theres-a-hole-in-th e-boot/ - CVE-2020-1430...

RHEL 8 : grub2 (RHSA-2020:3223)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3223 advisory. The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a highly configurable and customizable boot loader with modular...

Debian: Security Advisory (DSA-4735-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2020 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...

Important Photon OS Security Update - PHSA-2020-0311

Updates of 'grub2' packages of Photon OS have been released...

RHEL 7 : grub2 (RHSA-2020:3217)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3217 advisory. The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a highly configurable and customizable boot loader with modular...

SUSE SLES12 Security Update : grub2 (SUSE-SU-2020:2078-1)

This update for grub2 fixes the following issues : Fix for CVE-2020-10713 bsc1168994 Fix for CVE-2020-14308 CVE-2020-14309, CVE-2020-14310, CVE-2020-14311 bsc1173812 Fix for CVE-2020-15706 bsc1174463 Fix for CVE-2020-15707 bsc1174570 Use overflow checking primitives where the arithmetic expressio...

Moderate: Red Hat Security Advisory: grub2 security update

An update for grub2, shim, and fwupd is now available for Red Hat Enterprise Linux 8.0 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...

grub2: Integer overflow in grub_ext2_read_link leads to heap-based buffer overflow

A flaw was found in grub2 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32MAX causes an arithmetic overflow, leading to a zero-sized memory allocation with a subsequent heap-based buffer overflow. The highest threat from this...

grub2: Integer overflow in grub_squash_read_symlink may lead to heap-based buffer overflow

A flaw was found in grub2. When handling squashfs filesystems containing a symbolic link with name length of UINT32 bytes in size, the name size leads to an arithmetic overflow leading to a zero-size allocation further causing a heap-based buffer overflow with attacker controlled data. The highes...

CVE-2020-14308

In grub2 versions before 2.06 the grub memory allocator doesn't check for possible arithmetic overflows on the requested allocation size. This leads the function to return invalid memory allocations which can be further used to cause possible integrity, confidentiality and availability impacts...