Windows Kernel 64-bit stack memory disclosure in win32k!XDCOBJ::RestoreAttributes(CVE-2018-0811)

We have discovered that the win32k!XDCOBJ::RestoreAttributes function leaks portions of uninitialized kernel stack memory to user-mode address space on Windows 7 to 10. It was confirmed on 64-bit platforms, 32-bit builds were not tested. The overall copied memory area is 0x1a0 bytes long, 4 of...

Windows Kernel 64-bit stack memory disclosure in NtQueryInformationThread(ThreadBasicInformation)(CVE-2018-0895)

We have discovered that the nt!NtQueryInformationThread system call invoked with the 0 information class ThreadBasicInformation discloses portions of uninitialized kernel stack memory to user-mode clients. The vulnerability affects 64-bit versions of Windows 7 to 10. The specific layout of the...

Microsoft Windows Kernel - nt!NtWaitForDebugEvent 64-bit Stack Memory Disclosure

Microsoft Windows Kernel - nt!NtWaitForDebugEvent 64-bit Stack Memory Disclosure / We have discovered that the nt!NtWaitForDebugEvent system call discloses portions of uninitialized kernel stack memory to user-mode clients, on 64-bit versions of Windows 7 to Windows 10. The output buffer, and the...

Microsoft Windows Kernel - NtQueryInformationThread(ThreadBasicInformation) 64-bit Stack Memory Disclosure

Microsoft Windows Kernel - NtQueryInformationThreadThreadBasicInformation 64-bit Stack Memory Disclosure / We have discovered that the nt!NtQueryInformationThread system call invoked with the 0 information class ThreadBasicInformation discloses portions of uninitialized kernel stack memory to...

Microsoft Windows Kernel - 'nt!RtlpCopyLegacyContextX86' Stack Memory Disclosure

/ We have discovered a new Windows kernel memory disclosure vulnerability in the creation and copying of a CONTEXT structure to user-mode memory. Two previous bugs in the nearby code area were reported in issues 1177 and 1311 ; in fact, the problem discussed here appears to be a variant of 1177 b...

MacOS process_policy stack leak through uninitialized field(CVE-2017-7154)

The syscall processpolicyscope=PROCPOLICYSCOPEPROCESS, action=PROCPOLICYACTIONGET, policy=PROCPOLICYRESOURCEUSAGE, policysubtype=PROCPOLICYRUSAGECPU, attrp=, targetpid=0, targetthreadid= causes 4 bytes of uninitialized kernel stack memory to be written to userspace. The call graph looks as follow...

macOS process_policy Stack Leak

MacOS processpolicy stack leak through uninitialized field CVE-2017-7154 The syscall processpolicyscope=PROCPOLICYSCOPEPROCESS, action=PROCPOLICYACTIONGET, policy=PROCPOLICYRESOURCEUSAGE, policysubtype=PROCPOLICYRUSAGECPU, attrp=, targetpid=0, targetthreadid= causes 4 bytes of uninitialized kerne...

macOS - process_policy Stack Leak Through Uninitialized Field Exploit

Exploit for macOS platform in category dos / poc / The syscall processpolicyscope=PROCPOLICYSCOPEPROCESS, action=PROCPOLICYACTIONGET, policy=PROCPOLICYRESOURCEUSAGE, policysubtype=PROCPOLICYRUSAGECPU, attrp=, targetpid=0, targetthreadid= causes 4 bytes of uninitialized kernel stack memory to be...

macOS - 'process_policy' Stack Leak Through Uninitialized Field

/ The syscall processpolicyscope=PROCPOLICYSCOPEPROCESS, action=PROCPOLICYACTIONGET, policy=PROCPOLICYRESOURCEUSAGE, policysubtype=PROCPOLICYRUSAGECPU, attrp=, targetpid=0, targetthreadid= causes 4 bytes of uninitialized kernel stack memory to be written to userspace. The call graph looks as...

Microsoft Windows - nt!NtQueryInformationProcess (information class 76, QueryProcessEnergyValues) Ke

Exploit for windows platform in category dos / poc / We have discovered that the nt!NtQueryInformationProcess system call invoked with the 76 information class discloses portions of uninitialized kernel stack memory to user-mode clients. The specific information class is handled by an internal...

Microsoft Windows - nt!NtQueryInformationProcess (information class 76_ QueryProcessEnergyValues) Kernel Stack Memory Disclosure

Microsoft Windows - nt!NtQueryInformationProcess information class 76 QueryProcessEnergyValues Kernel Stack Memory Disclosure / We have discovered that the nt!NtQueryInformationProcess system call invoked with the 76 information class discloses portions of uninitialized kernel stack memory to...

Microsoft Windows - 'nt!NtQueryInformationProcess (information class 76_ QueryProcessEnergyValues)' Kernel Stack Memory Disclosure

/ We have discovered that the nt!NtQueryInformationProcess system call invoked with the 76 information class discloses portions of uninitialized kernel stack memory to user-mode clients. The specific information class is handled by an internal nt!PsQueryProcessEnergyValues function. While we don'...

Kingsoft AntivirusInternet Security 9+ - Local Privilege Escalation

Kingsoft AntivirusInternet Security 9+ - Local Privilege Escalation """ Kingsoft Antivirus/Internet Security 9+ Kernel Stack Buffer Overflow Privilege Escalation Vulnerability Anti-Virus: http://www.kingsoft.co/downloads/kav/KAV100720ENUDOWN33102010.rar Internet Security:...

Kingsoft Antivirus/Internet Security 9+ - Local Privilege Escalation

""" Kingsoft Antivirus/Internet Security 9+ Kernel Stack Buffer Overflow Privilege Escalation Vulnerability Anti-Virus: http://www.kingsoft.co/downloads/kav/KAV100720ENUDOWN33102010.rar Internet Security: http://www.kingsoft.co/downloads/kis/kis.rar Summary: ======== This vulnerability allows loc...

Kingsoft Antivirus/Internet Security 9+ Privilege Escalation

Vulnerability Summary The following advisory describes a kernel stack buffer overflow that leads to privilege escalation found in Kingsoft Antivirus/Internet Security 9+. Kingsoft Antivirus “provides effective and efficient protection solution at no cost to users. It applies cloud security...

DEBIAN-CVE-2017-17806

The HMAC implementation crypto/hmac.c in the Linux kernel before 4.14.8 does not validate that the underlying cryptographic hash algorithm is unkeyed, allowing a local attacker able to use the AFALG-based hash interface CONFIGCRYPTOUSERAPIHASH and the SHA-3 hash algorithm CONFIGCRYPTOSHA3 to caus...

PT-2017-15012 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 4.14.8 Description: The HMAC implementation in the Linux kernel does not validate that the underlying cryptographic hash algorithm is unkeyed, allowing a local attacker to cause a kernel stack buffer overflow by...

CVE-2017-17806: Out-of-bounds Write

The HMAC implementation crypto/hmac.c in the Linux kernel before 4.14.8 does not validate that the underlying cryptographic hash algorithm is unkeyed, allowing a local attacker able to use the AFALG-based hash interface CONFIGCRYPTOUSERAPIHASH and the SHA-3 hash algorithm CONFIGCRYPTOSHA3 to caus...

Microsoft Windows win32kfull!GreUpdateSpriteInternal Kernel Stack Memory Disclosure Exploit

On Windows 10 32-bit version 1709, a kernel stack memory disclosure was discovered in win32kfull!GreUpdateSpriteInternal. Windows Kernel stack memory disclosure in win32kfull!GreUpdateSpriteInternal On Windows 10 32-bit version 1709, we have discovered a disclosure of 4 uninitialized bytes from t...

Microsoft Windows win32kbase!NtQueryCompositionInputQueueAndTransform Kernel Stack Memory Disclosure

The win32k!NtQueryCompositionInputQueueAndTransform system call may disclose portions of uninitialized kernel stack memory to user-mode clients on Windows 10. Windows Kernel stack memory disclosure in win32kbase!NtQueryCompositionInputQueueAndTransform We have discovered that the...