SB2021110912 - Multiple vulnerabilities in Microsoft Azure Sphere

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Main Vulnerability Database SB2021110912

SB2021110912 - Multiple vulnerabilities in Microsoft Azure Sphere

Published: November 9, 2021

Security Bulletin ID SB2021110912
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2021-41374)

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

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


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

The vulnerability exists due to excessive data output by the application in Azure Sphere. A local attacker can gain unauthorized access to sensitive information on the system.


2) Information disclosure (CVE-ID: CVE-2021-41375)

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

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


The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in Azure Sphere. A local administrator can gain unauthorized access to sensitive information on the system.


3) Information disclosure (CVE-ID: CVE-2021-41376)

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

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


The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in Azure Sphere. A local administrator can gain unauthorized access to sensitive information on the system.


4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-42300)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

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


The vulnerability allows a local administrator to escalate privileges on the system.

The vulnerability exists due to a tampering issue in Azure Sphere, which leads to security restrictions bypass and privilege escalation.


Remediation

Install update from vendor's website.

References