Researchers Discover UEFI Bootkit Targeting Windows Computers Since 2012

Cybersecurity researchers on Tuesday revealed details of a previously undocumented UEFI Unified Extensible Firmware Interface bootkit that has been put to use by threat actors to backdoor Windows systems as early as 2012 by modifying a legitimate Windows Boot Manager binary to achieve persistence...

Qualcomm 芯片安全漏洞

A Qualcomm chip is a chip from Qualcomm Incorporated USA. A way of miniaturizing circuits mainly semiconductor devices, but also passive components, etc., and from time to time manufactured on the surface of semiconductor wafers. A security vulnerability exists in a number of Qualcomm products,...

How to determine XenServer is booted in uefi or legacy mode

Determine XenServer is booted in uefi or legacy mode...

CVE-2019-5478

A weakness was found in Encrypt Only boot mode in Zynq UltraScale+ devices. This could lead to an adversary being able to modify the control fields of the boot image leading to an incorrect secure boot behavior...

CVE-2019-5478

A weakness was found in Encrypt Only boot mode in Zynq UltraScale+ devices. This could lead to an adversary being able to modify the control fields of the boot image leading to an incorrect secure boot behavior...

CVE-2019-5478

The CVE-2019-5478 issue affects Xilinx Zynq UltraScale+ devices in Encrypt Only boot mode. The vulnerability allows an adversary to modify the boot image control fields, which can lead to incorrect or bypassed secure boot behavior. Root cause is a weakness in the Encrypt Only boot mode; exact imp...

PT-2019-17698 · Xilinx · Xilinx Zynq Ultrascale+

Name of the Vulnerable Software and Affected Versions: Xilinx Zynq UltraScale+ devices affected versions not specified Description: A weakness was found in the Encrypt Only boot mode, which could allow an adversary to modify the control fields of the boot image. This modification could lead to...

Your Mac Does Not Turn On: How to fix

If you are using your Mac every day with no issues, then that’s great. However, sometimes, like all computers, the Mac also does not respond to pressing the power button. If this happens, and you have no idea what to do, then it can lead to a lot of frustration. There could be several reasons why...

USN-3405-1: Linux kernel vulnerabilities

It was discovered that a use-after-free vulnerability existed in the POSIX message queue implementation in the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-11176 Huang Weller discovered that the ext4 filesyste...

OnePlus 3/3T OxygenOS Unauthorized Boot Mode Changing (CVE-2017-5623)

Summary A physical attacker or one with authorized-ADB access, e.g. PC malware can change the ‘boot mode’ of a locked OnePlus 3/3T device, by rebooting into fastboot and issuing the fastboot oem bootmode rf/wlan/ftm/normal command. The vulnerability may allow the attacker to elevate his privilege...

CVE-2017-5623

An issue was discovered in OxygenOS before 4.1.0 on OnePlus 3 and 3T devices. The attacker can change the bootmode of the device by issuing the 'fastboot oem bootmode rf/wlan/ftm/normal command' in contradiction to the threat model of Android where the bootloader MUST NOT allow any...

Google Patches Android 'Custom Boot Mode' Vulnerability

A high-risk Android custom boot mode vulnerability was one of many bugs patched by Google as part of its January Android Security Bulletin released earlier this week. On Thursday, the IBM security team that discovered the vulnerability disclosed details about the flaw which leaves Nexus 6 and 6P...

CVE-2014-4768

IBM Unified Extensible Firmware Interface UEFI on Flex System x880 X6, System x3850 X6, and System x3950 X6 devices allows remote authenticated users to cause an unspecified temporary denial of service by using privileged access to enable a legacy boot mode...

CVE-2014-4768

IBM Unified Extensible Firmware Interface UEFI on Flex System x880 X6, System x3850 X6, and System x3950 X6 devices allows remote authenticated users to cause an unspecified temporary denial of service by using privileged access to enable a legacy boot mode...

Hackers publish the BadUSB fix patch only applies to the latest version of the group with the USB 3.0 firmware-bug warning-the black bar safety net

Last week, two hackers announced they had the BadUSB code reverse engineering, and on GitHub published. As for the reason for this, is to give the industry the pressure is applied, in order to quickly come up with a solution--although doing so will also make the user more vulnerable to face...