Microsoft Unicode Scripts Processor Arbitrary Code Execution Exploit

On the 8th December 2015, Microsoft released Security Bulletin MS15-130 to fix a vulnerability in Unicode Scripts Processor component found by Secunia Research. The vector for a successful exploitation is a specially crafted "True Type Font" TTF file, which typically can be embedded in e.g...

Avast! - Integer Overflow Verifying numFonts in TTC Header

Source: https://code.google.com/p/google-security-research/issues/detail?id=549 If the numFonts field in the TTC header is greater than SIZEMAX+1 / 4, an integer overflow occurs in filevirusttf when calling CSafeGenFile::SafeLockBuffer. The TTC file format is described here...

Microsoft Windows Kernel - win32k.sys Malformed TrueType Program TTF Font Processing Pool-Based Buffer Overflow (MS15-115)

Microsoft Windows Kernel - win32k.sys Malformed TrueType Program TTF Font Processing Pool-Based Buffer Overflow MS15-115 Source: https://code.google.com/p/google-security-research/issues/detail?id=507 We have observed a number of Windows kernel crashes in the win32k.sys driver while processing...

Microsoft Windows Kernel - win32k.sys Malformed OS2 Table TTF Font Processing Pool-Based Buffer Overflow (MS15-115)

Microsoft Windows Kernel - win32k.sys Malformed OS2 Table TTF Font Processing Pool-Based Buffer Overflow MS15-115 Source: https://code.google.com/p/google-security-research/issues/detail?id=506 We have encountered a number of Windows kernel crashes in the win32k.sys driver while processing a...

Microsoft Windows Kernel - 'win32k.sys' Malformed OS/2 Table TTF Font Processing Pool-Based Buffer Overflow (MS15-115)

Source: https://code.google.com/p/google-security-research/issues/detail?id=506 We have encountered a number of Windows kernel crashes in the win32k.sys driver while processing a specific corrupted TTF font file. The cleanest stack trace we have acquired, which might also indicate where the pool...

Microsoft Windows Kernel - 'win32k.sys' Malformed TrueType Program TTF Font Processing Pool-Based Buffer Overflow (MS15-115)

Source: https://code.google.com/p/google-security-research/issues/detail?id=507 We have observed a number of Windows kernel crashes in the win32k.sys driver while processing corrupted TTF font files. An example of a crash log excerpt generated after triggering the bug is shown below: ---...

Microsoft Graphics Component Remote Code Execution (MS15-115: CVE-2015-6103)

A remote code execution vulnerability has been reported in Windows Graphics Component. The vulnerability is due to the way Windows components handle specially crafted TTF files. A remote attacker can exploit this issue by enticing a user to open a maliciously crafted TTF file...

Microsoft Windows Graphics Memory Remote Code Execution (MS15-115: CVE-2015-6104)

A remote code execution vulnerability has been reported in Windows Graphics Component. The vulnerability is due to the way Windows components handle specially crafted TTF files. A remote attacker can exploit this issue by enticing a user to open a maliciously crafted TTF file...

Microsoft Office Word TTF Size Miscalculation Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Office Word. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the...

PT-2015-7435

Name of the Vulnerable Software and Affected Versions Apple Safari affected versions not specified Description The issue is related to a remote code execution vulnerability due to out-of-bounds access in TTF handling. Recommendations At the moment, there is no information about a newer version th...

Windows win32k.sys TTF Font Processing win32k!fsc_BLTHoriz Out-of-Bounds Pool Write

Source: https://code.google.com/p/google-security-research/issues/detail?id=402&can=1 We have encountered a Windows kernel crash in the win32k!fscBLTHoriz function while processing corrupted TTF font files, such as: --- DRIVERPAGEFAULTBEYONDENDOFALLOCATION d6 N bytes of memory was allocated and...

Windows win32k.sys TTF Font Processing IUP[] Program Instruction Pool-Based Buffer Overflow

Source: https://code.google.com/p/google-security-research/issues/detail?id=368&can=1 We have encountered a number of Windows kernel crashes in the win32k!itrpIUP function a handler of the IUP TTF program instruction while processing corrupted TTF font files, such as: --- PAGEFAULTINNONPAGEDAREA ...

Windows win32k.sys TTF Font Processing win32k!scl_ApplyTranslation Pool-Based Buffer Overflow

Source: https://code.google.com/p/google-security-research/issues/detail?id=370&can=1 We have encountered a number of Windows kernel crashes in the win32k!sclApplyTranslation function while processing corrupted TTF font files, such as: --- PAGEFAULTINNONPAGEDAREA 50 Invalid system memory was...

Windows win32k.sys TTF Font Processing win32k!fsc_RemoveDups Out-of-Bounds Pool Memory Access

Source: https://code.google.com/p/google-security-research/issues/detail?id=401&can=1 We have encountered a Windows kernel crash in the win32k!fscRemoveDups function while processing corrupted TTF font files, such as: --- PAGEFAULTINNONPAGEDAREA 50 Invalid system memory was referenced. This canno...

Windows win32k.sys TTF Font Processing win32k!fsc_RemoveDups Out-of-Bounds Pool Memory Access

Exploit for windows platform in category dos / poc Source: https://code.google.com/p/google-security-research/issues/detail?id=401&can=1 We have encountered a Windows kernel crash in the win32k!fscRemoveDups function while processing corrupted TTF font files, such as: --- PAGEFAULTINNONPAGEDAREA ...

Windows win32k.sys TTF Font Processing IUP[] Program Instruction Pool-Based Buffer Overflow Exploit

Exploit for windows platform in category dos / poc Source: https://code.google.com/p/google-security-research/issues/detail?id=368&can=1 We have encountered a number of Windows kernel crashes in the win32k!itrpIUP function a handler of the IUP TTF program instruction while processing corrupted TT...

Windows win32k.sys TTF Font Processing win32k!fsc_BLTHoriz Out-of-Bounds Pool Write Exploit

Exploit for windows platform in category dos / poc Source: https://code.google.com/p/google-security-research/issues/detail?id=402&can=1 We have encountered a Windows kernel crash in the win32k!fscBLTHoriz function while processing corrupted TTF font files, such as: ---...

Microsoft Windows - win32k.sys TTF Font Processing win32k!fsc_BLTHoriz Out-of-Bounds Pool Write

Microsoft Windows - win32k.sys TTF Font Processing win32k!fscBLTHoriz Out-of-Bounds Pool Write Source: https://code.google.com/p/google-security-research/issues/detail?id=402&can=1 We have encountered a Windows kernel crash in the win32k!fscBLTHoriz function while processing corrupted TTF font...

Microsoft Windows - win32k.sys TTF Font Processing IUP[] Program Instruction Pool-Based Buffer Overflow

Microsoft Windows - win32k.sys TTF Font Processing IUP Program Instruction Pool-Based Buffer Overflow Source: https://code.google.com/p/google-security-research/issues/detail?id=368&can=1 We have encountered a number of Windows kernel crashes in the win32k!itrpIUP function a handler of the IUP TT...

Microsoft Windows - win32k.sys TTF Font Processing win32k!fsc_RemoveDups Out-of-Bounds Pool Memory Access

Microsoft Windows - win32k.sys TTF Font Processing win32k!fscRemoveDups Out-of-Bounds Pool Memory Access Source: https://code.google.com/p/google-security-research/issues/detail?id=401&can=1 We have encountered a Windows kernel crash in the win32k!fscRemoveDups function while processing corrupted...