#VU17149 Out-of-bounds read in Apple iOS - CVE-2019-6221

Vulnerability identifier: #VU17149

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-6221

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Apple iOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description
The vulnerability allows a local authenticated attacker to gain elevated privileges.

The weakness exists due to out-of-bounds read in the Core Media component when handling malicious input. A local authenticated attacker can run a specially crafted application and gain elevated privileges.

Mitigation
Update to version 12.1.3.

Vulnerable software versions

Apple iOS: 12.0 16A366 - 12.0.1 16A404, 12.1 16B92 - 12.1.2 16C101

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External links
https://support.apple.com/en-us/HT209443

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.