KLA12539 Multiple vulnerabilities in Zoom

Multiple vulnerabilities were found in Zoom. Malicious users can exploit these vulnerabilities to gain privileges, bypass security restrictions, execute arbitrary code.

Below is a complete list of vulnerabilities:

1. Insufficient hostname validation vulnerability can be exploited remotely to gain privileges.
2. Security vulnerability can be exploited to bypass security restrictions.
3. Improperly constrained session cookies vulnerability can be exploited remotely to gain privileges.
4. Improper XML Parsing can be exploited remotely to execute arbitrary code.

Original advisories

Zoom Security Bulletin

Exploitation

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Zoom-MSI

CVE list

CVE-2022-22787 critical

CVE-2022-22786 critical

CVE-2022-22785 critical

CVE-2022-22784 critical

Solution

Update to the latest version

Download Zoom

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

• PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

Affected Products

• Zoom for Windows earlier than 5.10.0