Microsoft Windows Kernel - 'win32k.sys' '.TTF' Font Processing Out-of-Bounds Reads/Writes with Malformed 'fpgm' table 'win32k!bGeneratePath' (Denial of Service)

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1273 We have encountered a number of Windows kernel crashes in the win32k.sys driver while processing corrupted TTF font files. The most frequent one occurring for the bug reported here is as follows: --- PAGEFAULTINNONPAGEDAREA 50...

Microsoft Windows Kernel - win32k.sys TTF Font Processing - Out-of-Bounds Reads/Writes with Malforme

Exploit for windows platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1273 We have encountered a number of Windows kernel crashes in the win32k.sys driver while processing corrupted TTF font files. The most frequent one occurring for the bug reported...

Microsoft Windows - USP10!otlValueRecord::adjustPos Uniscribe Font Processing Out-of-Bounds Memory R

Exploit for windows platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1204 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 fon...

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

Exploit for windows platform in category dos / poc 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 display text using a corrupted TTF font file: -...

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

Exploit for windows platform in category dos / poc 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: --...

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

Exploit for windows platform in category dos / poc 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...

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

Exploit for windows platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1202 We have encountered a crash in the Windows Uniscribe user-mode library, in the USP10!NextCharInLiga function, while trying to display text using a corrupted TTF font file: ---...

Microsoft Windows - USP10!otlSinglePosLookup::getCoverageTable Uniscribe Font Processing Out-of-Boun

Exploit for windows platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1203 We have encountered a crash in the Windows Uniscribe user-mode library, in the USP10!otlSinglePosLookup::getCoverageTable function, while trying to display text using a...

Microsoft Windows - USP10!otlReverseChainingLookup::apply Uniscribe Font Processing Out-of-Bounds Me

Exploit for windows platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1205 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 T...

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!ttoGetTableData Uniscribe Font Processing Out-of-Bounds Memory Read

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 displ...

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!otlSinglePosLookup::getCoverageTable Uniscribe Font Processing Out-of-Bounds Memory Read

Microsoft Windows - USP10!otlSinglePosLookup::getCoverageTable Uniscribe Font Processing Out-of-Bounds Memory Read Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1203 We have encountered a crash in the Windows Uniscribe user-mode library, in the...

Microsoft Windows - USP10!otlReverseChainingLookup::apply Uniscribe Font Processing Out-of-Bounds Memory Read

Microsoft Windows - USP10!otlReverseChainingLookup::apply Uniscribe Font Processing Out-of-Bounds Memory Read Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1205 We have encountered a crash in the Windows Uniscribe user-mode library, in the USP10!otlReverseChainingLookup::apply...

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 - '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 display text using a corrupted TTF font file: --- 5cc.74: Access violation - code c0000005 first...

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 - 'USP10!NextCharInLiga' Uniscribe Font Processing Out-of-Bounds Memory Read

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1202 We have encountered a crash in the Windows Uniscribe user-mode library, in the USP10!NextCharInLiga function, while trying to display text using a corrupted TTF font file: --- 3d4.454: Access violation - code c0000005 first...

Microsoft Windows - USP10!otlValueRecord::adjustPos Uniscribe Font Processing Out-of-Bounds Memory Read

Microsoft Windows - USP10!otlValueRecord::adjustPos Uniscribe Font Processing Out-of-Bounds Memory Read Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1204 We have encountered a crash in the Windows Uniscribe user-mode library, in the USP10!otlValueRecord::adjustPos function,...