Buffer overflow in Apple tvOS

Published: 2019-04-03 | Updated: 2020-07-17

Risk	High
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2018-4145
CWE-ID	CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	tvOS Operating systems & Components / Operating system
Vendor	Apple Inc.

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU31123

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-4145

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 11.3, tvOS 11.3, watchOS 4.3, Safari 11.1, iTunes 12.7.4 for Windows, iCloud for Windows 7.4.

Mitigation

Install update from vendor's website.

Vulnerable software versions

tvOS: 11.1 - 11.2.6

External links

http://support.apple.com/kb/HT208693
http://support.apple.com/kb/HT208695
http://support.apple.com/kb/HT208696
http://support.apple.com/kb/HT208697
http://support.apple.com/kb/HT208698
http://support.apple.com/kb/HT208852
http://support.apple.com/kb/HT208933

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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