Out-of-bounds read in iPadOS and Apple iOS - CVE-2021-1830

 

Out-of-bounds read in iPadOS and Apple iOS - CVE-2021-1830

Published: April 28, 2021


Vulnerability identifier: #VU52697
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1830
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the kernel subsystem. A local user can run a specially crafted program to trigger out-of-bounds read error and read contents of memory on the system.


Affected software

iPadOS
Apple iOS

How to mitigate CVE-2021-1830

Install updates from vendor's website.

iPadOS - update to 14.5 18E199
Apple iOS - update to 14.5 18E199

External References

Related Security Bulletins