Microsoft Windows - 'win32k.sys' TTF Processing win32k!sbit_Embolden / win32k!ttfdCloseFontContext Use-After-Free (MS16-120)

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=868 We have encountered Windows kernel crashes in the win32k!sbitEmbolden and win32k!ttfdCloseFontContext functions while processing corrupted TTF font files. Excerpts of them are shown below: --- KERNELMODEEXCEPTIONNOTHANDLED 8e...

Microsoft Windows GDI+ Information Disclosure (MS16-120: CVE-2016-3263)

An information disclosure vulnerability has been reported in Microsoft Windows. The vulnerability is due to an error in the way the True Type Font TTF driver handles objects in memory. A remote attacker could exploit this vulnerability by enticing a target user to open a specially crafted EMF fil...

Microsoft Windows GDI+ Information Disclosure (MS16-120: CVE-2016-3262)

An information disclosure vulnerability has been reported in Microsoft Windows. The vulnerability is due to an error in the way the True Type Font TTF driver handles objects in memory. A remote attacker could exploit this vulnerability by enticing a target user to open a specially crafted EMF fil...

Android Minikin library out of bounds write denial of service vulnerability analysis-vulnerability warning-the black bar safety net

In this month's Android patches, Google fixes Minikin library in a denial of service vulnerabilityCVE-2 0 1 6-2 4 1 4 a. Early in the year 3 beginning of I To of Google reported this vulnerability, but Google confirmed that the flaw with last 1 1 month another expert report BUG26413177 is the sam...

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

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 cras...

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

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

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...

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...

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 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: ---...