cbcvebase.
CVE-2016-0121
published 2016-03-09

CVE-2016-0121: The Adobe Type Manager Library in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2…

PriorityP273high8.8CVSS 3.0
AVNACLPRNUIRSUCHIHAH
EXPLOIT
EPSS
41.24%
98.5th percentile
The Adobe Type Manager Library in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 allows remote attackers to execute arbitrary code via a crafted OpenType font, aka "OpenType Font Parsing Vulnerability."

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/39560.zip
filenameATMFD.dll
processcsrss.exe
  • The vulnerability is triggered via a crafted OpenType font file with mutations in the 'CFF ' table, processed by ATMFD.DLL in the Windows kernel. Monitor for kernel crashes (BUGCHECK 0xD6 / DRIVER_PAGE_FAULT_BEYOND_END_OF_ALLOCATION) referencing ATMFD.DLL in the stack trace.
  • The offending mutations reside in the 'CFF ' table of the OTF font file. Inspect OTF/CFF font files submitted to Windows systems for malformed CFF table structures as a delivery vector.
  • The crash manifests as a pool-based buffer overflow write (write operation, Arg2=1) at ATMFD+0x33e40. A kernel write outside a dynamically allocated buffer is the observable crash signature. Enable Special Pools for ATMFD.DLL to reliably trigger and detect the condition.
  • ·The crash can also occur on a default Windows installation (without Special Pools) but may manifest in ATMFD.DLL or another kernel location due to corrupted pool state, making attribution less straightforward without Special Pools enabled.
  • ·Reproduction was confirmed on Windows 7 and 8.1 only; other affected platforms listed in the advisory (Vista SP2, Server 2008, Windows 10, etc.) were not tested by the researcher.

CVSS provenance

nvdv3.08.8HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.09.3CRITICALAV:N/AC:M/Au:N/C:C/I:C/A:C
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