Microsoft Windows Kernel - 'win32k.sys' TTF Processing EBLC / EBSC Tables Pool Corruption (MS16-039)

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=684 We have encountered a Windows kernel crash in the win32k.sys driver while processing a corrupted TTF font file. An example of a crash log excerpt generated after triggering the bug is shown below: --- BADPOOLHEADER 19 The pool ...

Microsoft Windows Graphics Memory Corruption (MS16-039: CVE-2016-0145)

A vulnerability was found in Microsoft Windows that could potentially lead to remote code execution. The main cause is the lack of validation on glyph bitmap boundary during scaling operation. This vulnerability can be exploited using a malformed font file TTF...

Apple OS X TTF bdat Out-Of-Bounds Write Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple OS X. 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 handling of TTF...

DEBIAN-CVE-2016-2801

The graphite2::TtfUtil::CmapSubtable12Lookup function in TtfUtil.cpp in Graphite 2 before 1.3.6, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to cause a denial of service buffer over-read or possibly have unspecified other impact via a crafted...

CVE-2016-0808

Integer overflow in the getCoverageFormat12 function in CmapCoverage.cpp in the Minikin library in Android 5.x before 5.1.1 LMY49G and 6.x before 2016-02-01 allows attackers to cause a denial of service continuous rebooting via an application that triggers loading of a crafted TTF font, aka...

CVE-2016-0808

Integer overflow in the getCoverageFormat12 function in CmapCoverage.cpp in the Minikin library in Android 5.x before 5.1.1 LMY49G and 6.x before 2016-02-01 allows attackers to cause a denial of service continuous rebooting via an application that triggers loading of a crafted TTF font, aka...

Integer overflow

Integer overflow in the getCoverageFormat12 function in CmapCoverage.cpp in the Minikin library in Android 5.x before 5.1.1 LMY49G and 6.x before 2016-02-01 allows attackers to cause a denial of service continuous rebooting via an application that triggers loading of a crafted TTF font, aka...

CVE-2016-0808

Integer overflow in the getCoverageFormat12 function in CmapCoverage.cpp in the Minikin library in Android 5.x before 5.1.1 LMY49G and 6.x before 2016-02-01 allows attackers to cause a denial of service continuous rebooting via an application that triggers loading of a crafted TTF font, aka...

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 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 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 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 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 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...

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_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 ...