CVE-2021-36710

CVE-2021-36710 affects ToaruOS 1.99.2, with incorrect kernel access control due to improper MMU management and a low GDT address that allows userland mapping. This enables writing a call gate to escalate to CPL 0, per multiple connected sources (Red Hat, NVD, PRION/PT-PT, CNNVD, etc.). No public ...

CVE-2021-36710

ToaruOS 1.99.2 is affected by incorrect access control via the kernel. Improper MMU management and having a low GDT address allows it to be mapped in userland. A call gate can then be written to escalate to CPL 0...

EDRSandblast - Tool That Weaponize A Vulnerable Signed Driver To Bypass EDR Detections And LSASS Protections

EDRSandBlast is a tool written in C that weaponize a vulnerable signed driver to bypass EDR detections Kernel callbacks and ETW TI provider and LSASS protections. Multiple userland unhooking techniques are also implemented to evade userland monitoring. As of release, combination of userland...

GHSA-364W-9G92-3GRQ Withdrawn: Laravel Framework does not sufficiently block the upload of executable PHP content.

Withdrawn This advisory has been withdrawn after the maintainers of Laravel noted this issue is not a security vulnerability with Laravel itself, but rather a userland issue. Original CVE based description Laravel Framework through 8.70.2 does not sufficiently block the upload of executable PHP...

Withdrawn: Laravel Framework does not sufficiently block the upload of executable PHP content.

Withdrawn This advisory has been withdrawn after the maintainers of Laravel noted this issue is not a security vulnerability with Laravel itself, but rather a userland issue. Original CVE based description Laravel Framework through 8.70.2 does not sufficiently block the upload of executable PHP...

EulerOS 2.0 SP9 : kernel (EulerOS-SA-2021-2569)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - An information disclosure vulnerability exists in the ARM SIGPAGE functionality of Linux Kernel v5.4.66 and v5.4.54. The latest version 5.11-rc4...

CVE-2021-21781

An information disclosure vulnerability exists in the ARM SIGPAGE functionality of Linux Kernel v5.4.66 and v5.4.54. The latest version 5.11-rc4 seems to still be vulnerable. A userland application can read the contents of the sigpage, which can leak kernel memory contents. An attacker can read a...

CVE-2021-21781

An information disclosure vulnerability exists in the ARM SIGPAGE functionality of Linux Kernel v5.4.66 and v5.4.54. The latest version 5.11-rc4 seems to still be vulnerable. A userland application can read the contents of the sigpage, which can leak kernel memory contents. An attacker can read a...

CVE-2021-21781

An information disclosure vulnerability exists in the ARM SIGPAGE functionality of Linux Kernel v5.4.66 and v5.4.54. The latest version 5.11-rc4 seems to still be vulnerable. A userland application can read the contents of the sigpage, which can leak kernel memory contents. An attacker can read a...

Information disclosure

An information disclosure vulnerability exists in the ARM SIGPAGE functionality of Linux Kernel v5.4.66 and v5.4.54. The latest version 5.11-rc4 seems to still be vulnerable. A userland application can read the contents of the sigpage, which can leak kernel memory contents. An attacker can read a...

CVE-2021-21781

An information disclosure vulnerability exists in the ARM SIGPAGE functionality of Linux Kernel v5.4.66 and v5.4.54. The latest version 5.11-rc4 seems to still be vulnerable. A userland application can read the contents of the sigpage, which can leak kernel memory contents. An attacker can read a...

PPLdump - Dump The Memory Of A PPL With A Userland Exploit

This tool implements a userland exploit that was initially discussed by James Forshaw a.k.a. @tiraniddo - in this blog post - for dumping the memory of any PPL as an administrator. I wrote two blog posts about this tool. The first part is about Protected Processes concepts while the second one...

Linux Kernel Arm SIGPAGE information disclosure vulnerability

Talos Vulnerability Report TALOS-2021-1243 Linux Kernel Arm SIGPAGE information disclosure vulnerability May 28, 2021 CVE Number CVE-2021-21781 SUMMARY An information disclosure vulnerability exists in the ARM SIGPAGE functionality of Linux Kernel v5.4.66 and v5.4.54. The latest version 5.11-rc4...

Qualcom qseecom driver security vulnerabilities

Qualcom qseecom driver is a kernel interface from Qualcom. It provides the kernel driver with a bridge between the userland Normal world and the Secure world. A security vulnerability exists in the qseecom driver, which arises from a potentially arbitrary memory corruption when updating a physica...

PlayStation: SMAP bypass

SMAP is a security feature on x86 CPUs, that forbids ring0 from reading/writing to ring3 pages, making it harder to exploit entire classes of vulnerabilities. There is a vulnerability in FreeBSD 12 that allows SMAP to be bypassed by userland. There is a very high probability that it affects the P...

Information disclosure

Trend Micro Antivirus for Mac 2020 Consumer contains an Error Message Information Disclosure vulnerability that if exploited, could allow kernel pointers and debug messages to leak to userland. An attacker must first obtain the ability to execute high-privileged code on the target system in order...

CVE-2020-27015

Trend Micro Antivirus for Mac 2020 Consumer contains an Error Message Information Disclosure vulnerability that if exploited, could allow kernel pointers and debug messages to leak to userland. An attacker must first obtain the ability to execute high-privileged code on the target system in order...

PT-2020-16594

Name of the Vulnerable Software and Affected Versions Trend Micro Antivirus for Mac 2020 Consumer Description The issue allows kernel pointers and debug messages to leak to userland if exploited. An attacker must first obtain the ability to execute high-privileged code on the target system in ord...

Nintendo: [3DS][StreetPass] Heap Overflow in Swapnote parser leads to userland StreetPass RCE

Affected Systems - System: Nintendo 3DS - Version: = 11.13 - Region: ALL Description When parsing TLRF chunks in message files the application calls memcpy using user provided sizes to copy controlled data over a fixed-size buffer. Thus one can overflow heap chunks which is enough to get code...

Null pointer dereference

In versions 7.1.5-7.1.9, BIG-IP Edge Client Windows Stonewall driver does not sanitize the pointer received from the userland. A local user on the Windows client system can send crafted DeviceIoControl requests to \.\urvpndrv device causing the Windows kernel to crash...