NVIDIA Driver - Unchecked Write to User-Provided Pointer in Escape 0x700010d Exploit

Exploit for windows platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=894 The DxgkDdiEscape handler for 0x700010d accepts a user provided pointer as the destination for a memcpy call, without doing any checks on said pointer. void fastcall...

NVIDIA Driver - No Bounds Checking in Escape 0x7000170 Exploit

Exploit for windows platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=936 The DxgkDdiEscape handler for 0x7000170 lacks proper bounds checks for the variable size input escape data, and relies on a user provided size as the upper bound for writing...

NVIDIA Driver - Missing Bounds Check in Escape 0x70000d5 Exploit

Exploit for windows platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=944 The DxgkDdiEscape handler for 0x70000d5 lacks bounds checks: ... if gsavedsize escape-size = gsavedsize; if unsigned intgsavedsize 0 do v5 = v2++; escape-datav5 = globalarrayv5...

NVIDIA Driver - No Bounds Checking in Escape 0x7000194 Exploit

Exploit for windows platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=895 The DxgkDdiEscape handler for 0x7000194 doesn't do bounds checking with the user provided lengths it receives. When these lengths are passed to memcpy, overreads and memory...

NVIDIA Driver - Escape Code Leaks Uninitialised ExAllocatePoolWithTag Memory to Userspace Exploit

Exploit for windows platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=892 The handler for the DxgkDdiEscape escape code 0x70000D4 has the following pseudocode: void fastcall escape70000D4NvMiniportDeviceContext a1, NvEscapeData a2 Escape70000D4...

NVIDIA Driver - Unchecked Write to User-Provided Pointer in Escape 0x600000D Exploit

Exploit for windows platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=911 The DxgkDdiEscape handler for 0x600000D passes an unchecked user provided pointer as the destination for a memcpy call. This leads to kernel memory corruption. Win 10 x64 372.5...

NVIDIA Driver - Stack Buffer Overflow in Escape 0x7000014

NVIDIA Driver - Stack Buffer Overflow in Escape 0x7000014 Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=946 There is a missing bounds check in inner loop of the escape handler for 0x7000014 that leads to a stack buffer overflow: ... for DWORD i = 0; numdata; ++i ... // size is...

NVIDIA Driver - Missing Bounds Check in Escape 0x100009a

NVIDIA Driver - Missing Bounds Check in Escape 0x100009a Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=942 The DxgkDdiEscape handler for escape 0x100009a lacks proper bounds checks: case 0x100009A: ... size0 = escapedata-size1; ... size1 = 2 - escapedata-unknown size2;...

NVIDIA Driver - No Bounds Checking in Escape 0x7000194

NVIDIA Driver - No Bounds Checking in Escape 0x7000194 Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=895 The DxgkDdiEscape handler for 0x7000194 doesn't do bounds checking with the user provided lengths it receives. When these lengths are passed to memcpy, overreads and memory...

NVIDIA Driver - UVMLiteController ioctl Handling Unchecked InputOutput Lengths Privilege Escalation

NVIDIA Driver - UVMLiteController ioctl Handling Unchecked InputOutput Lengths Privilege Escalation / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=880 The \.\UVMLiteController device is created by the nvlddmkm.sys driver, and can be opened by any user. The driver handles...

NVIDIA Driver - Escape Code Leaks Uninitialised ExAllocatePoolWithTag Memory to Userspace

NVIDIA Driver - Escape Code Leaks Uninitialised ExAllocatePoolWithTag Memory to Userspace Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=892 The handler for the DxgkDdiEscape escape code 0x70000D4 has the following pseudocode: void fastcall escape70000D4NvMiniportDeviceContext...

NVIDIA Driver - Unchecked Write to User-Provided Pointer in Escape 0x700010d

NVIDIA Driver - Unchecked Write to User-Provided Pointer in Escape 0x700010d Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=894 The DxgkDdiEscape handler for 0x700010d accepts a user provided pointer as the destination for a memcpy call, without doing any checks on said pointer...

NVIDIA Driver - Incorrect Bounds Check in Escape 0x70001b2

NVIDIA Driver - Incorrect Bounds Check in Escape 0x70001b2 Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=940 The DxgkDdiEscape handler for 0x70001b2 doesn't do proper bounds checks for its variable size input. void sub8C4304... ... // escape-size is controlled by the user. if...

NVIDIA Driver - Unchecked Write to User-Provided Pointer in Escape 0x600000D

NVIDIA Driver - Unchecked Write to User-Provided Pointer in Escape 0x600000D Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=911 The DxgkDdiEscape handler for 0x600000D passes an unchecked user provided pointer as the destination for a memcpy call. This leads to kernel memory...

NVIDIA Driver - Missing Bounds Check in Escape 0x70000d5

NVIDIA Driver - Missing Bounds Check in Escape 0x70000d5 Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=944 The DxgkDdiEscape handler for 0x70000d5 lacks bounds checks: ... if gsavedsize escape-size = gsavedsize; if unsigned intgsavedsize 0 do v5 = v2++; escape-datav5 =...

NVIDIA Driver - Escape 0x100010b Missing Bounds Check

NVIDIA Driver - Escape 0x100010b Missing Bounds Check Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=927 The DxgkDdiEscape handler for escape code 0x100010b looks like: char escape100010bNvMiniportDeviceContext miniportcontext, HANDLE handle, unsigned int idx PVOID Object; if...

NVIDIA Driver - Stack Buffer Overflow in Escape 0x10000e9

NVIDIA Driver - Stack Buffer Overflow in Escape 0x10000e9 Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=947 The escape handler for 0x10000e9 lacks bounds checks, and passes a user specified size as the size to memcpy, resulting in a stack buffer overflow: bool...

NVIDIA Driver - No Bounds Checking in Escape 0x7000170

NVIDIA Driver - No Bounds Checking in Escape 0x7000170 Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=936 The DxgkDdiEscape handler for 0x7000170 lacks proper bounds checks for the variable size input escape data, and relies on a user provided size as the upper bound for writin...

NVIDIA Driver - NvStreamKms PsSetCreateProcessNotifyRoutineEx Local Stack Buffer Overflow Callback Local Privilege Escalation

NVIDIA Driver - NvStreamKms PsSetCreateProcessNotifyRoutineEx Local Stack Buffer Overflow Callback Local Privilege Escalation Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=918 The NvStreamKms.sys driver calls PsSetCreateProcessNotifyRoutineEx to set up a process creation...

NVIDIA Driver - NvStreamKms 'PsSetCreateProcessNotifyRoutineEx Local Stack Buffer Overflow Callback / Local Privilege Escalation

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=918 The NvStreamKms.sys driver calls PsSetCreateProcessNotifyRoutineEx to set up a process creation notification routine. In this particular routine, if cur-imagenamescount 0 // info is the PPSCREATENOTIFYINFO that is passed to the...