cbcvebase.
CVE-2015-6103
published 2015-11-11

CVE-2015-6103: The Adobe Type Manager Library in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012…

PriorityP273critical9.3CVSS 2.0
AVNACMAuNCCICAC
EXPLOIT
EPSS
35.29%
98.4th percentile
The Adobe Type Manager Library in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 Gold and 1511 allows remote attackers to execute arbitrary code via a crafted embedded font, aka "Windows Graphics Memory Remote Code Execution Vulnerability," a different vulnerability than CVE-2015-6104.

Affected

3 ranges
VendorProductVersion rangeFixed in
microsoftwindows_10——
microsoftwindows_server_2008——
microsoftwindows_server_2012——

Detection & IOCsextracted from sources · hover to see the quote

urlhttps://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/38714.zip↗
processwin32k.sys↗
commandwin32k!NtGdiGetTextExtentExW↗
commandwin32k!GreRemoveFontMemResourceEx↗
  • →Crash/exploitation occurs during processing of a TTF font file with a malformed 'OS/2' table in win32k.sys; monitor for kernel pool corruption (PAGE_FAULT_IN_NONPAGED_AREA / bugcheck 0x50) originating from win32k!memmove within the font rendering call stack. ↗
  • →Enable Special Pools for win32k.sys to reliably trigger an immediate crash on exploitation attempt, aiding in detection and forensic analysis. ↗
  • →The vulnerability is triggered via crafted embedded TTF fonts; inspect documents or web content loading fonts through the Adobe Type Manager Library or GDI font rendering path (NtGdiGetTextExtentExW syscall). ↗
  • ·Reproduction of the crash may require a custom program that displays all font glyphs at various point sizes; passive loading alone may not trigger the vulnerability. ↗
  • ·Pool corruption may cause delayed or non-deterministic system crashes on default Windows installations, making reliable detection harder without Special Pools enabled. ↗
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