Out-of-bounds read in iPadOS and Apple iOS - CVE-2020-29618

 

Out-of-bounds read in iPadOS and Apple iOS - CVE-2020-29618

Published: December 15, 2020


Vulnerability identifier: #VU48990
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-29618
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a heap corruption within the ImageIO component when processing images. A remote attacker can create a specially crafted image, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.

Reportedly this vulnerability can lead to remote code execution.


Affected software

iPadOS
Apple iOS
watchOS
macOS
tvOS
iCloud for Windows

How to mitigate CVE-2020-29618

Install updates from vendor's website.

iPadOS - update to 14.3 18C66
Apple iOS - update to 14.3 18C66
watchOS - update to 7.2 18S564
macOS - addressed in versions 10.14.6 18G7016, 10.15.7 19H114, 11.1 20C69
tvOS - update to 14.3 18K561
iCloud for Windows - update to 12.0

External References

Related Security Bulletins