SB2023061225 - Multiple vulnerabilities in Zoom client for Windows

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Main Vulnerability Database SB2023061225

SB2023061225 - Multiple vulnerabilities in Zoom client for Windows

Published: June 12, 2023

Security Bulletin ID SB2023061225
CSH Severity
High
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Medium 17% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 vulnerabilities.


1) Exposure of Resource to Wrong Sphere (CVE-ID: CVE-2023-34114)

CWE-ID: CWE-668 - Exposure of resource to wrong sphere

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


The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to improper access restrictions. A remote user can gain access to sensitive information.


2) Input validation error (CVE-ID: CVE-2023-34121)

CWE-ID: CWE-20 - Improper input validation

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


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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can gain access to sensitive information.


3) Improper privilege management (CVE-ID: CVE-2023-34120)

CWE-ID: CWE-269 - Improper Privilege Management

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


The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper privilege management. A local user can utilize higher level system privileges maintained by the Zoom client to spawn processes with escalated privileges.


4) Insufficient verification of data authenticity (CVE-ID: CVE-2023-34113)

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

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


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

The vulnerability exists due to insufficient verification of data authenticity. A remote attacker can execute arbitrary code on the target system.


5) Input validation error (CVE-ID: CVE-2023-34122)

CWE-ID: CWE-20 - Improper input validation

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


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

The vulnerability exists due to insufficient validation of user-supplied input. A local user can escalate privileges on the system.


6) Buffer overflow (CVE-ID: CVE-2023-28601)

CWE-ID: CWE-119 - Memory corruption

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 a boundary. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.

References