cbcvebase.
CVE-2018-8239
published 2018-06-14

CVE-2018-8239: An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka "Windows GDI Information…

PriorityP338medium5.5CVSS 3.0
AVLACLPRNUIRSUCHINAN
EPSS
58.53%
99.0th percentile
An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka "Windows GDI Information Disclosure Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.

Affected

27 ranges· showing 25
VendorProductVersion rangeFixed in
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10_servers
microsoftwindows_10_servers
microsoftwindows_server_2016
microsoftwindows_server_2016
msrcwindows_10_version_1607_for_32-bit_systems
msrcwindows_10_version_1607_for_x64-based_systems
msrcwindows_10_version_1703_for_32-bit_systems
msrcwindows_10_version_1703_for_x64-based_systems
msrcwindows_10_version_1709_for_32-bit_systems
msrcwindows_10_version_1709_for_x64-based_systems
msrcwindows_10_version_1803_for_32-bit_systems
msrcwindows_10_version_1803_for_x64-based_systems
msrcwindows_server_2016

Detection & IOCsextracted from sources · hover to see the quote

  • Exploitation vector involves convincing a user to open a specially crafted document or visit an untrusted webpage, triggering improper memory disclosure in the Windows GDI component
  • The information disclosed is memory layout (ASLR bypass class), enabling an attacker to predict memory addressing — monitor for GDI-related memory leaks or suspicious document/browser activity on Windows 10 and Windows Server 2016 systems
  • ·Affected platforms are limited to Windows Server 2016, Windows 10, and Windows 10 Servers — exploitation likelihood rated 'More Likely' for both latest and older software releases

CVSS provenance

nvdv3.05.5MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N
vendor_msrc4.4MEDIUM
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