SB20240611218 - Multiple vulnerabilities in Zoom Client

Description

This security bulletin contains information about 3 vulnerabilities.

1) Division by zero (CVE-ID: CVE-2024-27239)

CWE-ID: CWE-369 - Divide By Zero

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

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a divide by zero error. A remote attacker can pass specially crafted data to the application and crash it.

2) Use-after-free (CVE-ID: CVE-2024-27246)

CWE-ID: CWE-416 - Use After Free

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

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error. A remote attacker can pass specially crafted data to the application and crash it.

3) Buffer overflow (CVE-ID: CVE-2024-27245)

CWE-ID: CWE-119 - Memory corruption

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

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error. A remote attacker can pass specially crafted data to the application, trigger memory corruption and perform a denial of service 9DoS) attack.

Remediation

Install update from vendor's website.

References

• https://www.zoom.com/en/trust/security-bulletin/ZSB-24018/
• https://www.zoom.com/en/trust/security-bulletin/ZSB-24017/
• https://www.zoom.com/en/trust/security-bulletin/ZSB-24016/