KB4598275: Windows 8.1 and Windows Server 2012 R2 January 2021 Security Update

high Nessus Plugin ID 144888
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote Windows host is affected by multiple vulnerabilities.

Description

The remote Windows host is missing security update 4598275 or cumulative update 4598285. It is, therefore, affected by multiple vulnerabilities :

- An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information. (CVE-2021-1637, CVE-2021-1656, CVE-2021-1676, CVE-2021-1696, CVE-2021-1699, CVE-2021-1708)

- An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges.
(CVE-2021-1648, CVE-2021-1649, CVE-2021-1650, CVE-2021-1652, CVE-2021-1653, CVE-2021-1654, CVE-2021-1655, CVE-2021-1659, CVE-2021-1661, CVE-2021-1688, CVE-2021-1693, CVE-2021-1694, CVE-2021-1695, CVE-2021-1702, CVE-2021-1704, CVE-2021-1706, CVE-2021-1709)

- A security feature bypass vulnerability exists. An attacker can exploit this and bypass the security feature and perform unauthorized actions compromising the integrity of the system/application. (CVE-2021-1674, CVE-2021-1678, CVE-2021-1683, CVE-2021-1684)

- A denial of service (DoS) vulnerability. An attacker can exploit this issue to cause the affected component to deny system or application services. (CVE-2021-1679, CVE-2021-1692)

- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2021-1657, CVE-2021-1658, CVE-2021-1660, CVE-2021-1664, CVE-2021-1665, CVE-2021-1666, CVE-2021-1667, CVE-2021-1668, CVE-2021-1671, CVE-2021-1673, CVE-2021-1700, CVE-2021-1701, CVE-2021-1710)

Solution

Apply Security Only update KB4598275 or Cumulative Update KB4598285.

See Also

https://support.microsoft.com/en-us/help/4598285/windows-8-1-update

https://support.microsoft.com/en-us/help/4598275/windows-8-1-update

Plugin Details

Severity: High

ID: 144888

File Name: smb_nt_ms21_jan_4598275.nasl

Version: 1.7

Type: local

Agent: windows

Published: 1/12/2021

Updated: 6/3/2021

Dependencies: smb_check_rollup.nasl, smb_hotfixes.nasl, ms_bulletin_checks_possible.nasl

Risk Information

CVSS Score Source: CVE-2021-1668

VPR

Risk Factor: Critical

Score: 9.4

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 1/12/2021

Vulnerability Publication Date: 1/12/2021

Reference Information

CVE: CVE-2021-1637, CVE-2021-1648, CVE-2021-1649, CVE-2021-1650, CVE-2021-1652, CVE-2021-1653, CVE-2021-1654, CVE-2021-1655, CVE-2021-1656, CVE-2021-1657, CVE-2021-1658, CVE-2021-1659, CVE-2021-1660, CVE-2021-1661, CVE-2021-1664, CVE-2021-1665, CVE-2021-1666, CVE-2021-1667, CVE-2021-1668, CVE-2021-1671, CVE-2021-1673, CVE-2021-1674, CVE-2021-1676, CVE-2021-1678, CVE-2021-1679, CVE-2021-1683, CVE-2021-1684, CVE-2021-1688, CVE-2021-1692, CVE-2021-1693, CVE-2021-1694, CVE-2021-1695, CVE-2021-1696, CVE-2021-1699, CVE-2021-1700, CVE-2021-1701, CVE-2021-1702, CVE-2021-1704, CVE-2021-1706, CVE-2021-1708, CVE-2021-1709, CVE-2021-1710

MSKB: 4598285, 4598275

MSFT: MS21-4598285, MS21-4598275

IAVA: 2021-A-0023-S