Zero-day vulnerability in Apple iOS

Integer overflow

Exploited in the wild via malicious PDF files.

Vulnerability details

Advisory: SB2011070801 - Multiple vulnerabilities in Apple iOS

Vulnerable component: Apple iOS

CVE-ID: CVE-2011-0226

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C

CWE-ID: CWE-190 - Integer overflow


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow when handling of Type 1 fonts by FreeType. A remote attacker can send a specially crafted PDF file, trick the victim into opening it, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: the vulnerability was being actively exploited.