Multiple vulnerabilities in Apple iPadOS

Published: 2020-06-09 | Updated: 2020-07-17

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-9818 CVE-2020-9819
CWE-ID	CWE-787 CWE-119
Exploitation vector	Network
Public exploit	Vulnerability #1 is being exploited in the wild. Vulnerability #2 is being exploited in the wild.
Vulnerable software Subscribe	iPadOS Operating systems & Components / Operating system
Vendor	Apple Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU30265

Risk: High

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2020-9818

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

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

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 13.1.1 - 13.4.1

External links

http://support.apple.com/HT211168
http://support.apple.com/HT211169
http://support.apple.com/HT211175

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?

Yes. This vulnerability is being exploited in the wild.

2) Buffer overflow

EUVDB-ID: #VU30266

Risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:H/RL:O/RC:C]

CVE-ID: CVE-2020-9819

CWE-ID: CWE-119 - Memory corruption