Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7.6 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...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7.7 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...

Moderate: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel 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 rating, is...

grub2: Fail kernel validation without shim protocol

GRUB2 fails to validate kernel signature when booted directly without shim, allowing secure boot to be bypassed. This only affects systems where the kernel signing certificate has been imported directly into the secure boot database and the GRUB image is booted directly without the use of shim...

Moderate: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8. 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...

Important: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise Linux 7. 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 each vulnerability from...

UBUNTU-CVE-2020-15705

GRUB2 fails to validate kernel signature when booted directly without shim, allowing secure boot to be bypassed. This only affects systems where the kernel signing certificate has been imported directly into the secure boot database and the GRUB image is booted directly without the use of shim...

grub2 security update

2.02-82.0.2.el82.1 - 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 - Update signing certificate for efi binaries...

grub2 security update

2.02-81.0.4 - 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 - Update signing certificate for efi binaries 2.02-0.81.0.2 - Enable common subpackage build for aarch64 - Disable RHEL patch...

grub2 security update

2.02-81.0.3 - 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 - Update signing certificate for efi binaries...

Survey of Supply Chain Attacks

The Atlantic Council has a released a report that looks at the history of computer supply chain attacks. Key trends from their summary: 1. Deep Impact from State Actors: There were at least 27 different state attacks against the software supply chain including from Russia, China, North Korea, and...

Raining SYSTEM Shells with Citrix Workspace app

TL;DR Citrix Workspace is vulnerable to a remote command execution attack running under the context of the SYSTEM account. By sending a crafted message over a named pipe and spoofing the client process ID, the Citrix Workspace Updater Service can be tricked into executing an arbitrary process und...

[SECURITY] Fedora 31 Update: python-rsa-3.4.2-15.fc31

Python-RSA is a pure-Python RSA implementation. It supports encryption and decryption, signing and verifying signatures, and key generation according to PKCS1 version 1.5. It can be used as a Python library as well as on the command-line...

CVE-2020-10282

The Micro Air Vehicle Link MAVLink protocol presents no authentication mechanism on its version 1.0 nor authorization whichs leads to a variety of attacks including identity spoofing, unauthorized access, PITM attacks and more. According to literature, version 2.0 optionally allows for package...

CVE-2020-10282

The Micro Air Vehicle Link MAVLink protocol presents no authentication mechanism on its version 1.0 nor authorization whichs leads to a variety of attacks including identity spoofing, unauthorized access, PITM attacks and more. According to literature, version 2.0 optionally allows for package...

Authorization

The Micro Air Vehicle Link MAVLink protocol presents no authentication mechanism on its version 1.0 nor authorization whichs leads to a variety of attacks including identity spoofing, unauthorized access, PITM attacks and more. According to literature, version 2.0 optionally allows for package...

CVE-2020-10282

The CVE-2020-10282 entry concerns MAVLink, where version 1.0 has no authentication or authorization, enabling identity spoofing, unauthorized access, and man-in-the-middle-style attacks on MAVLink-based UAV communications. Some sources note MAVLink 2.0 adds a basic authentication mechanism (e.g.,...

CVE-2020-10282 RVD#3316: No authentication in MAVLink protocol

The Micro Air Vehicle Link MAVLink protocol presents no authentication mechanism on its version 1.0 nor authorization whichs leads to a variety of attacks including identity spoofing, unauthorized access, PITM attacks and more. According to literature, version 2.0 optionally allows for package...

GHSA-G753-JX37-7XWH ECDSA signature vulnerability of Minerva timing attack in jsrsasign

Impact ECDSA side-channel attack named Minerava have been found and it was found that it affects to jsrsasign. Execution time of thousands signature generation have been observed then EC private key which is scalar value may be recovered since point and scalar multiplication time depends on bits ...

Timing Attack

wolfssl.native is vulnerable to timing attack. Operations involving a private key such as key generation or signing in ecc.c fails to use a constant-time modular inverse when mapping to affine coordinates, leaking sensitive coordinates when an attacker can take advantage of timing variations in...