CVE-2018-3989

An exploitable kernel memory disclosure vulnerability exists in the 0x8200E804 IOCTL handler functionality of WIBU-SYSTEMS WibuKey.sys Version 6.40 Build 2400.A specially crafted IRP request can cause the driver to return uninitialized memory, resulting in kernel memory disclosure. An attacker ca...

CVE-2018-3989

CVE-2018-3989 affects WIBU-SYSTEMS WibuKey.sys (kernel driver) version 6.40 (Build 2400). A crafted IRP to IOCTL 0x8200E804 can cause the driver to return uninitialized kernel memory, producing kernel memory information disclosure. TALOS confirms this vulnerability vector and links it to the 0x82...

CVE-2018-3990

CVE-2018-3990 concerns WIBU-SYSTEMS WibuKey.sys (Version 6.40, Build 2400). The vulnerability exists in the 0x8200E804 IOCTL handler; a specially crafted IRP can trigger a buffer overflow, causing kernel memory corruption and potentially privilege escalation. Talos reports this vulnerability can ...

CVE-2018-3989: Use of Uninitialized Resource

An exploitable kernel memory disclosure vulnerability exists in the 0x8200E804 IOCTL handler functionality of WIBU-SYSTEMS WibuKey.sys Version 6.40 Build 2400.A specially crafted IRP request can cause the driver to return uninitialized memory, resulting in kernel memory disclosure. An attacker ca...

CVE-2018-3990: Improper Restriction of Operations within the Bounds of a Memory Buffer

An exploitable pool corruption vulnerability exists in the 0x8200E804 IOCTL handler functionality of WIBU-SYSTEMS WibuKey.sys Version 6.40 Build 2400. A specially crafted IRP request can cause a buffer overflow, resulting in kernel memory corruption and, potentially, privilege escalation. An...

Apple iOS, macOS and tvOS Kernel Memory Corruption Vulnerability

Apple iOS is an operating system developed for mobile devices; macOS Sierra, macOS High Sierra, and macOS Mojave are different versions of a specialized operating system developed for Mac computers; tvOS is a smart TV operating system. Kernel is one of the kernel components. A security...

Apple iOS, tvOS and macOS Kernel Memory Initialization Vulnerability

Apple iOS is an operating system developed for mobile devices; macOS Sierra, macOS High Sierra, and macOS Mojave are different versions of a specialized operating system developed for Mac computers; tvOS is a smart TV operating system. Kernel is one of the kernel components. A security...

Kernel Memory Corruption Vulnerability in Multiple Apple Products (CNVD-2019-03286)

Apple iOS is an operating system developed for mobile devices; macOS Sierra, macOS High Sierra, and macOS Mojave are different versions of a specialized operating system developed for Mac computers; tvOS is a smart TV operating system. Kernel is one of the kernel components. A security...

Multiple Apple Products Kernel Out-of-Bounds Read Vulnerability

Apple iOS is an operating system developed for mobile devices; macOS Sierra, macOS High Sierra, and macOS Mojave are different versions of a specialized operating system developed for Mac computers; tvOS is a smart TV operating system. Kernel is one of the kernel components. An out-of-bounds read...

SUSE SLES11 Security Update : kernel (SUSE-SU-2019:13937-1)

The SUSE Linux Enterprise 12 SP3 kernel was updated to 3.0.101 to receive various security and bugfixes. The following security bugs were fixed : CVE-2018-9516: In hiddebugeventsread of drivers/hid/hid-debug.c, there is a possible out of bounds write due to a missing bounds check. This could lead...

CVE-2018-16880

A flaw was found in the Linux kernel's handlerx function in the vhostnet driver. A malicious virtual guest, under specific conditions, can trigger an out-of-bounds write in a kmalloc-8 slab on a virtual host which may lead to a kernel memory corruption and a system panic. Due to the nature of the...

CVE-2018-16880

A flaw was found in the Linux kernel's handlerx function in the vhostnet driver. A malicious virtual guest, under specific conditions, can trigger an out-of-bounds write in a kmalloc-8 slab on a virtual host which may lead to a kernel memory corruption and a system panic. Due to the nature of the...

Design/Logic Flaw

A flaw was found in the Linux kernel's handlerx function in the vhostnet driver. A malicious virtual guest, under specific conditions, can trigger an out-of-bounds write in a kmalloc-8 slab on a virtual host which may lead to a kernel memory corruption and a system panic. Due to the nature of the...

CVE-2018-16880

A flaw was found in the Linux kernel's handlerx function in the vhostnet driver. A malicious virtual guest, under specific conditions, can trigger an out-of-bounds write in a kmalloc-8 slab on a virtual host which may lead to a kernel memory corruption and a system panic. Due to the nature of the...

SUSE-SU-2019:0196-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP4 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2018-9568: In skclonelock of sock.c, there is a possible memory corruption due to type confusion. This could lead to local escalation of privilege with no...

voucher_swap: Exploiting MIG reference counting in iOS 12

Posted by Brandon Azad, Project Zero In this post I'll describe how I discovered and exploited CVE-2019-6225, a MIG reference counting vulnerability in XNU's taskswapmachvoucher function. We'll see how to exploit this bug on iOS 12.1.2 to build a fake kernel task port, giving us the ability to re...

Pointer dereference in subsystem in Intel(R) Graphics Driver allows unprivileged user to elevate privileges via local access

Summary: The Intel® Graphics Drivers for Windows Code can fail to adequately validate a pointer input. This may lead to modification of kernel memory and a potential for an escalation of privilege. Reference CVE-2017-5727. Description: The Intel® Graphics Drivers for Windows Code can fail to...

Vulnerability Spotlight: Multiple WIBU SYSTEMS WubiKey vulnerabilities

Marcin "Icewall" Noga of Cisco Talos discovered these vulnerabilities. Executive Summary Cisco Talos discovered two vulnerabilities that could allow remote code execution and memory disclosure at the kernel level in WIBU-SYSTEMS WibuKey. WibuKey is a USB key designed to protect software and...

PT-2019-1397

Name of the Vulnerable Software and Affected Versions WibuKey.sys version 6.40 Build 2400 Description A kernel memory disclosure issue exists in the 0x8200E804 IOCTL handler functionality. This is due to insufficient input validation, allowing an attacker to send a specially crafted IRP request a...

PT-2019-1398

Name of the Vulnerable Software and Affected Versions WibuKey.sys version 6.40 Build 2400 Description The issue is related to a buffer overflow in the 0x8200E804 IOCTL handler functionality of WibuKey.sys. This can be exploited by sending a specially crafted IRP request, leading to kernel memory...