Vulnerability Monitor

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CVE-2021-30785

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. Processing a maliciously crafted image may lead to arbitrary code execution.

Published

2021-09-08T14:15:11.220

Last Modified

2024-11-21T06:04:43.000

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (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-120

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	iphone_os	< 14.7	Yes
Operating System	apple	mac_os_x	≤ 10.15.6	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	macos	< 11.5	Yes
Operating System	apple	tvos	< 14.7	Yes
Operating System	apple	watchos	< 7.6	Yes

References

https://support.apple.com/en-us/HT212600 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212601 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212602 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212604 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212605 Release Notes, Vendor Advisory ([email protected])
https://www.zerodayinitiative.com/advisories/ZDI-22-353/ Third Party Advisory, VDB Entry ([email protected])
https://support.apple.com/en-us/HT212600 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212601 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212602 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212604 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212605 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.zerodayinitiative.com/advisories/ZDI-22-353/ Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)