SB2022110904 - Multiple vulnerabilities in Microsoft Excel



SB2022110904 - Multiple vulnerabilities in Microsoft Excel

Published: November 9, 2022

Security Bulletin ID SB2022110904
CSH Severity
High
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Security features bypass (CVE-ID: CVE-2022-41104)

CWE-ID: CWE-254 - Security Features

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to security features bypass in Microsoft Excel. A remote attacker can trick a victim to open a specially crafted file and gain access to sensitive information on the system.


2) Information disclosure (CVE-ID: CVE-2022-41105)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in Microsoft Excel. A remote attacker can trick a victim to open a specially crafted file and gain unauthorized access to sensitive information on the system.


3) Input validation error (CVE-ID: CVE-2022-41106)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft Excel. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the system.


4) Input validation error (CVE-ID: CVE-2022-41063)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft Excel. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the system.


Remediation

Install update from vendor's website.