KLA12357 Multiple vulnerabilities in Apple iCloud

Multiple vulnerabilities were found in Apple iCloud. Malicious users can exploit these vulnerabilities to execute arbitrary code, bypass security restrictions.

Below is a complete list of vulnerabilities:

1. A code execution vulnerability in ImageIO can be exploited via special crafted image to execute arbitrary code.
2. A memory corruption vulnerability in WebKit can be exploited via special crafted web content to execute arbitrary code.
3. A memory corruption vulnerability in ImageIO can be exploited via special crafted image to execute arbitrary code.
4. A security bypass vulnerability in WebKit can be exploited to bypass security restrictions.
5. A type confusion vulnerability in Foundation can be exploited via special crafted webpage to execute arbitrary code.
6. A remote code execution vulnerability in CoreGraphics can be exploited remotely to execute arbitrary code.

Original advisories

About the security content of iCloud for Windows 13

Related products

Apple-iCloud

CVE list

CVE-2021-30835 critical

CVE-2021-30849 critical

CVE-2021-30847 critical

CVE-2021-30814 critical

CVE-2021-30823 high

CVE-2021-30852 critical

CVE-2021-30928 critical

Solution

Update to the latest version

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.

Affected Products

• Apple iCloud earlier than 13