SB2022061426 - Multiple vulnerabilities in Microsoft Office

Description

This security bulletin contains information about 4 vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2022-30171)

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

CVSSv4: CVSS:4.0/AV:N/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 Office. A remote attacker can trick a victim to open a specially crafted file and gain unauthorized access to sensitive information on the system.

2) Information disclosure (CVE-ID: CVE-2022-30159)

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

CVSSv4: CVSS:4.0/AV:N/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 Office. 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-2022-30174)

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:Green

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

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft Office. A remote attacker on the local network can pass specially crafted input to the application and execute arbitrary code on the target system.

4) Information disclosure (CVE-ID: CVE-2022-30172)

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

CVSSv4: CVSS:4.0/AV:N/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 Office. A remote attacker can trick a victim to open a specially crafted file and gain unauthorized access to sensitive information on the system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-30171
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-30159
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-30174
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-30172