kernel security and bug fix update

3.10.0-1160.90.1.0.1.OL7 - debug: lock down kgdb Orabug: 34270798 CVE-2022-21499 3.10.0-1160.90.1.OL7 - Update Oracle Linux certificates Ilya Okomin - Oracle Linux RHCK Module Signing Key was compiled into kernel [email protected] - Update x509.genkey Orabug: 2481767...

iOS Lockdown Mode effective against NSO zero-click exploit

Apples Lockdown Mode feature alerted a victim to one of the latest NSO exploits, according to a report by Citizen Lab. image courtesy of Citizen Lab This is a huge deal since it shows how useful Lockdown Mode can be, even against exploits developed by one of the worlds most notorious commercial...

New Zero-Click Exploits against iOS

Citizen Lab has identified three zero-click exploits against iOS 15 and 16. These were used by NSO Groups Pegasus spyware in 2022, and deployed by Mexico against human rights defenders. These vulnerabilities have all been patched. One interesting bit is that Apples Lockdown Mode part of iOS 16...

NSO Group Used 3 Zero-Click iPhone Exploits Against Human Rights Defenders

Israeli spyware maker NSO Group deployed at least three novel "zero-click" exploits against iPhones in 2022 to infiltrate defenses erected by Apple and deploy Pegasus, according to the latest findings from Citizen Lab. "NSO Group customers widely deployed at least three iOS 15 and iOS 16 zero-cli...

CVE-2023-21024

In maybeFinish of FallbackHome.java, there is a possible delay of lockdown screen due to logic error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID:...

Design/Logic Flaw

In maybeFinish of FallbackHome.java, there is a possible delay of lockdown screen due to logic error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID:...

CVE-2023-21024

In maybeFinish of FallbackHome.java, there is a possible delay of lockdown screen due to logic error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID:...

PUB-A-246543238

In maybeFinish of FallbackHome.java, there is a possible delay of lockdown screen due to logic error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

K04280042: BIG-IP ASM vulnerability CVE-2019-6650

Security Advisory Description F5 BIG-IP ASM may expose sensitive information and allow the system configuration to be modified when using non-default settings. CVE-2019-6650 Impact The vulnerability is only present on multi-bladed systems VIPRION with BIG-IP ASM provisioned, on the following...

K05123525: ConfigSync vulnerability CVE-2019-6649

Security Advisory Description F5 BIG-IP and Enterprise Manager may expose sensitive information and allow the system configuration to be modified when using non-default ConfigSync settings. CVE-2019-6649 Impact The vulnerability is only present when the system is configured for high availability ...

K72442354: TMM vulnerability CVE-2018-15320

Security Advisory Description Undisclosed traffic patterns may lead to denial of service conditions for the BIG-IP system. The configuration which exposes this condition is the BIG-IP self IP address which is part of a VLAN group and has the Port Lockdown setting configured with anything other th...

Mozilla: Screen hijack via browser fullscreen mode

The Mozilla Foundation Security Advisory describes this flaw as: A background script invoking requestFullscreen and then blocking the main thread could force the browser into fullscreen mode indefinitely, resulting in potential user confusion or spoofing attacks...

Samsung Introduces New Feature to Protect Users from Zero-Click Malware Attacks

Samsung has announced a new feature called Message Guard that comes with safeguards to protect users from malware and spyware via what's referred to as zero-click attacks. The South Korean chaebol said the solution "preemptively" secures users' devices by "limiting exposure to invisible threats...

SUSE CVE-2019-20908

An issue was discovered in drivers/firmware/efi/efi.c in the Linux kernel before 5.4. Incorrect access permissions for the efivarssdt ACPI variable could be used by attackers to bypass lockdown or secure boot restrictions, aka CID-1957a85b0032...

SUSE CVE-2020-14372

A flaw was found in grub2 in versions prior to 2.06, where it incorrectly enables the usage of the ACPI command when Secure Boot is enabled. This flaw allows an attacker with privileged access to craft a Secondary System Description Table SSDT containing code to overwrite the Linux kernel lockdow...

SUSE CVE-2020-15780

An issue was discovered in drivers/acpi/acpiconfigfs.c in the Linux kernel before 5.7.7. Injection of malicious ACPI tables via configfs could be used by attackers to bypass lockdown and secure boot restrictions, aka CID-75b0cea7bf30...

SUSE CVE-2021-3418

If certificates that signed grub are installed into db, grub can be booted directly. It will then boot any kernel without signature validation. The booted kernel will think it was booted in secureboot mode and will implement lockdown, yet it could have been tampered. This flaw is a reintroduction...

SUSE CVE-2022-21499

KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown. An attacker with access to a serial port could trigger the debugger so it is important that the debugger respect the lockdown mode when/if it is triggered. CVSS 3.1 Base Score 6.7...

SUSE CVE-2022-21505

In the linux kernel, if IMA appraisal is used with the "imaappraise=log" boot param, lockdown can be defeated with kexec on any machine when Secure Boot is disabled or unavailable. IMA prevents setting "imaappraise=log" from the boot param when Secure Boot is enabled, but this does not cover case...

CVE-2022-34436

Dell iDRAC8 version 2.83.83.83 and prior contain an improper input validation vulnerability in Racadm when the firmware lock-down configuration is set. A remote high privileged attacker could exploit this vulnerability to bypass the firmware lock-down configuration and perform a firmware update...