7.8

CVE-2013-3660

Warning
Media report
Exploit

The EPATHOBJ::pprFlattenRec function in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, and Windows Server 2012 does not properly initialize a pointer for the next object in a certain list, which allows local users to obtain write access to the PATHRECORD chain, and consequently gain privileges, by triggering excessive consumption of paged memory and then making many FlattenPath function calls, aka "Win32k Read AV Vulnerability."

Data is provided by the National Vulnerability Database (NVD)
MicrosoftWindows 7 Version- Updatesp1
MicrosoftWindows 8 Version-
MicrosoftWindows Rt Version-
MicrosoftWindows Server 2003 Version- Updatesp2
MicrosoftWindows Server 2008 Version- Updatesp2
MicrosoftWindows Server 2008 Versionr2 Updatesp1 HwPlatformx64
MicrosoftWindows Vista Version- Updatesp2
MicrosoftWindows Xp Version- Updatesp2 SwEditionprofessional HwPlatformx64
MicrosoftWindows Xp Version- Updatesp3

28.03.2022: CISA Known Exploited Vulnerabilities (KEV) Catalog

Microsoft Win32k Privilege Escalation Vulnerability

Vulnerability

The EPATHOBJ::pprFlattenRec function in win32k.sys in the kernel-mode drivers in Microsoft does not properly initialize a pointer for the next object in a certain list, which allows local users to gain privileges.

Description

Apply updates per vendor instructions.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 69.19% 0.986
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvd@nist.gov 6.9 3.4 10
AV:L/AC:M/Au:N/C:C/I:C/A:C
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.