Hackers Created Rogue VMs to Evade Detection in Recent MITRE Cyber Attack

The MITRE Corporation has revealed that the cyber attack targeting the not-for-profit company towards late December 2023 by exploiting zero-day flaws in Ivanti Connect Secure ICS involved the threat actor creating rogue virtual machines VMs within its VMware environment. "The adversary created...

grub2: Out-of-bounds write at fs/ntfs.c may lead to unsigned code execution

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...

EulerOS Virtualization 3.0.6.0 : grub2 (EulerOS-SA-2024-1683)

According to the versions of the grub2 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker to present a specially...

EulerOS Virtualization 3.0.6.6 : grub2 (EulerOS-SA-2024-1651)

According to the versions of the grub2 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker to present a specially...

[SECURITY] [DLA 3813-1] shim security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-3813-1 [email protected] https://www.debian.org/lts/security/ Bastien Roucariès May 13, 2024 https://wiki.debian.org/LTS -...

RHEL 8 : grub2 (Unpatched Vulnerability)

The remote Redhat Enterprise Linux 8 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched. - grub2: Use-after-free in rmmod command CVE-2020-25632 - grub2: Out-of-bounds write in...

RHEL 7 : grub2 (Unpatched Vulnerability)

The remote Redhat Enterprise Linux 7 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched. - grub2: Crafted PNG image may lead to out-of-bound write during huffman table handling CVE-2021-3696 -...

Oracle Linux 9 : grub2 (ELSA-2024-2456)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-2456 advisory. - Fix CVE-2022-3775 Orabug: 34871953 - CVE-2023-4692 - grub-set-bootflag: Fix for CVE-2024-1048 - CVE-2024-1048 - Resolves: CVE-2023-4001 Tenable has...

Oracle Linux 7 : grub2 (ELSA-2024-2002)

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2024-2002 advisory. - Add to the list CVE-2021-3695, CVE-2021-3696, CVE-2021-3697, CVE-2022-28734, CVE-2022-28735, CVE-2022-28736 JIRA: OLDIS-16371 Tenable has extracted the...

Fedora 38 : grub2 (2024-01f402fae5)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-01f402fae5 advisory. Security fix for CVE-2023-4692 Security fix for CVE-2023-4693 Fri Mar 08 2024 Nicolas Frayer - 2.06-118 - fs/xfs: Handle non-continuous data blocks ...

grub2: Out-of-bounds write at fs/ntfs.c may lead to unsigned code execution

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...

RHEL 9 : grub2 (RHSA-2024:2456)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:2456 advisory. The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a highly configurable and customizable boot loader with modular...

Important: Red Hat Security Advisory: shim security update

An update for shim is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

shim: Out-of-bound read in verify_buffer_sbat()

An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase...

Fedora 40 : grub2 (2024-2b545d3085)

The remote Fedora 40 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-2b545d3085 advisory. Security fix for CVE-2023-4692 Security fix for CVE-2023-4693 Fri Apr 12 2024 Nicolas Frayer - 2.06-121 - fs/xfs: Handle non-continuous data blocks ...

Fedora 39 : grub2 (2024-d09797f550)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-d09797f550 advisory. Security fix for CVE-2023-4692 Security fix for CVE-2023-4693 Fri Apr 12 2024 Nicolas Frayer - 2.06-120 - fs/xfs: Handle non-continuous data blocks ...

CentOS 7 : grub2 (RHSA-2024:2002)

The remote CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:2002 advisory. - A buffer overflow was found in grubfontconstructglyph. A malicious crafted pf2 font can lead to an overflow when calculating the maxglyphsize value, allocatin...

RHEL 7 : grub2 (RHSA-2024:2002)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:2002 advisory. The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a highly configurable and customizable boot loader with modular...

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...

Moderate: Red Hat Security Advisory: grub2 security update

An update for grub2 is now available for Red Hat Enterprise Linux 7. 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 available for each vulnerability from the...