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WinVerifyTrust Signature Validation CVE-2013-3900 Mitigation (EnableCertPaddingCheck)

high Nessus Plugin ID 166555

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Synopsis

The remote Windows host is potentially missing a mitigation for a remote code execution vulnerability.

Description

The remote system may be in a vulnerable state to CVE-2013-3900 due to a missing or misconfigured registry keys:
 - HKEY_LOCAL_MACHINE\Software\Microsoft\Cryptography\Wintrust\Config\EnableCertPaddingCheck
 - HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\Cryptography\Wintrust\Config\EnableCertPaddingCheck An unauthenticated, remote attacker could exploit this, by sending specially crafted requests, to execute arbitrary code on an affected host.

Solution

Add and enable registry value EnableCertPaddingCheck:
 - HKEY_LOCAL_MACHINE\Software\Microsoft\Cryptography\Wintrust\Config\EnableCertPaddingCheck

Additionally, on 64 Bit OS systems, Add and enable registry value EnableCertPaddingCheck:

 - HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\Cryptography\Wintrust\Config\EnableCertPaddingCheck

See Also

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2013-3900

http://www.nessus.org/u?9780b9d2

Plugin Details

Severity: High

ID: 166555

File Name: smb_nt_ms22_oct_CVE-2013-3900_reg_check.nasl

Version: 1.9

Type: local

Agent: windows

Published: 10/26/2022

Updated: 11/18/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.9

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 6.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2013-3900

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: SMB/Registry/Enumerated, SMB/ARCH

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 12/10/2013

CISA Known Exploited Vulnerability Due Dates: 7/10/2022

Reference Information

CVE: CVE-2013-3900

IAVA: 2013-A-0227