Microsoft Windows - win32k!NtGdiGetTextMetricsW Kernel Stack Memory Disclosure Exploit

Exploit for windows platform in category dos / poc / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1180 We have discovered that it is possible to disclose portions of uninitialized kernel stack memory to user-mode applications in Windows 7 other systems untested through the...

Microsoft Windows - Kernel ATMFD.DLL Out-of-Bounds Read due to Malformed Name INDEX in the CFF Table

Exploit for windows platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1213 We have encountered a Windows kernel crash in the ATMFD.DLL OpenType driver while processing a corrupted OTF font file, see below: --- DRIVERPAGEFAULTBEYONDENDOFALLOCATION d6 ...

‘Petya’ Ransomware Outbreak Goes Global

A new strain of ransomware dubbed "Petya" is worming its way around the world with alarming speed. The malware is spreading using a vulnerability in Microsoft Windows that the software giant patched in March 2017 -- the same bug that was exploited by the recent and prolific WannaCry ransomware...

(Pwn2Own) Microsoft Windows WarpKMSubmitCommandVirtual Uninitialized Memory Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on vulnerable installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within BasicRender.sys,...

Microsoft Windows Graphics Component Information Disclosure Vulnerability(CVE-2017-0289)

We have encountered a crash in the Windows Uniscribe user-mode library, in the USP10!otlValueRecord::adjustPos function, while trying to display text using a corrupted TTF font file: --- 470.4d4: Access violation - code c0000005 first chance First chance exceptions are reported before any excepti...

Microsoft Windows Graphics Component Information Disclosure Vulnerability(CVE-2017-0288)

We have encountered a crash in the Windows Uniscribe user-mode library, in the USP10!otlReverseChainingLookup::apply function, while trying to display text using a corrupted TTF font file: --- 678.6c8: Access violation - code c0000005 first chance First chance exceptions are reported before any...

Microsoft Windows - 'USP10!MergeLigRecords' Uniscribe Font Processing Heap Memory Corruption

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1198 We have encountered a crash in the Windows Uniscribe user-mode library, in the memmove function called by USP10!MergeLigRecords, while trying to display text using a corrupted font file: --- 4e0.6dc: Access violation - code...

Microsoft Windows - USP10!SubstituteNtoM Uniscribe Font Processing Out-of-Bounds Memory Read

Microsoft Windows - USP10!SubstituteNtoM Uniscribe Font Processing Out-of-Bounds Memory Read Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1200 We have encountered a crash in the Windows Uniscribe user-mode library, in the USP10!SubstituteNtoM function, while trying to display...

Microsoft Windows - USP10!CreateIndexTable Uniscribe Font Processing Out-of-Bounds Memory Read

Microsoft Windows - USP10!CreateIndexTable Uniscribe Font Processing Out-of-Bounds Memory Read Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1201 We have encountered a crash in the Windows Uniscribe user-mode library, in the USP10!CreateIndexTable function, while trying to...

Microsoft Windows Kernel - ATMFD.DLL Out-of-Bounds Read due to Malformed Name INDEX in the CFF Table

Microsoft Windows Kernel - ATMFD.DLL Out-of-Bounds Read due to Malformed Name INDEX in the CFF Table Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1213 We have encountered a Windows kernel crash in the ATMFD.DLL OpenType driver while processing a corrupted OTF font file, see...

Microsoft Windows - USP10!MergeLigRecords Uniscribe Font Processing Heap Memory Corruption

Microsoft Windows - USP10!MergeLigRecords Uniscribe Font Processing Heap Memory Corruption Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1198 We have encountered a crash in the Windows Uniscribe user-mode library, in the memmove function called by USP10!MergeLigRecords, while...

Microsoft Windows - 'USP10!SubstituteNtoM' Uniscribe Font Processing Out-of-Bounds Memory Read

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1200 We have encountered a crash in the Windows Uniscribe user-mode library, in the USP10!SubstituteNtoM function, while trying to display text using a corrupted TTF font file: --- 69c.164: Access violation - code c0000005 first...

Microsoft Windows - nt!NtQueryInformationWorkerFactory (WorkerFactoryBasicInformation) Kernel Stack Memory Disclosure

Microsoft Windows - nt!NtQueryInformationWorkerFactory WorkerFactoryBasicInformation Kernel Stack Memory Disclosure / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1214&desc=2 We have discovered that the nt!NtQueryInformationWorkerFactory system call called with the...

Microsoft Windows - 'USP10!ttoGetTableData' Uniscribe Font Processing Out-of-Bounds Memory Read

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1199 We have encountered a crash in the Windows Uniscribe user-mode library, in the USP10!ttoGetTableData function, while trying to display text using a corrupted TTF font file: --- 210.274: Access violation - code c0000005 first...

Microsoft Windows Kernel - 'ATMFD.DLL' Out-of-Bounds Read due to Malformed Name INDEX in the CFF Table

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1213 We have encountered a Windows kernel crash in the ATMFD.DLL OpenType driver while processing a corrupted OTF font file, see below: --- DRIVERPAGEFAULTBEYONDENDOFALLOCATION d6 N bytes of memory was allocated and more than N byt...

Brutal Kangaroo: CIA-developed Malware for Hacking Air-Gapped Networks Covertly

WikiLeaks has published a new batch of the ongoing Vault 7 leak, this time detailing a tool suite – which is being used by the CIA for Microsoft Windows that targets "closed networks by air gap jumping using thumb drives," mainly implemented in enterprises and critical infrastructures. Air-gapped...

Microsoft Windows - win32k!NtGdiMakeFontDir Kernel Stack Memory Disclosure

Microsoft Windows - win32k!NtGdiMakeFontDir Kernel Stack Memory Disclosure Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1191 We have discovered that the win32k!NtGdiMakeFontDir system call discloses large portions of uninitialized kernel stack memory to user-mode clients. The...

Microsoft Windows - nt!NtQueryInformationTransaction (information class 1) Kernel Stack Memory Disclosure

Microsoft Windows - nt!NtQueryInformationTransaction information class 1 Kernel Stack Memory Disclosure / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1196 We have discovered that the nt!NtQueryInformationTransaction system call called with the 1 information class discloses...

Microsoft Windows - 'win32k!NtGdiGetOutlineTextMetricsInternalW' Kernel Stack Memory Disclosure

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1179 We have discovered that it is possible to disclose portions of uninitialized kernel stack memory to user-mode applications in Windows 7-10 through the win32k!NtGdiGetOutlineTextMetricsInternalW system call. The system call...

Microsoft Windows - 'win32k!NtGdiMakeFontDir' Kernel Stack Memory Disclosure

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1191 We have discovered that the win32k!NtGdiMakeFontDir system call discloses large portions of uninitialized kernel stack memory to user-mode clients. The attached proof of concept code which is specific to Windows 7 32-bit works...