Vulnerability Monitor

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CVE-2020-9818

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.

Published

2020-06-09T17:15:13.317

Last Modified

2025-02-28T14:48:08.590

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787
Type: Secondary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	ipados	< 13.5	Yes
Operating System	apple	iphone_os	< 12.4.7	Yes
Operating System	apple	iphone_os	< 13.5	Yes
Operating System	apple	watchos	< 6.2.5	Yes

References

https://support.apple.com/HT211168 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/HT211169 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/HT211175 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/HT211168 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/HT211169 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/HT211175 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)