Vulnerability Details : CVE-2022-42856
A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.1.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.1..
Products affected by CVE-2022-42856
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
CVE-2022-42856 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Apple iOS Type Confusion Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Apple iOS contains a type confusion vulnerability when processing maliciously crafted web content leading to code execution.
Notes:
https://support.apple.com/en-us/HT213516; https://nvd.nist.gov/vuln/detail/CVE-2022-42856
Added on
2022-12-14
Action due date
2023-01-04
Exploit prediction scoring system (EPSS) score for CVE-2022-42856
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 38 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-42856
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-01-28 |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2022-42856
-
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2022-42856
-
https://security.gentoo.org/glsa/202305-32
WebKitGTK+: Multiple Vulnerabilities (GLSA 202305-32) — Gentoo securityThird Party Advisory
-
https://support.apple.com/en-us/HT213516
About the security content of iOS 16.1.2 - Apple SupportRelease Notes;Vendor Advisory
-
http://seclists.org/fulldisclosure/2022/Dec/22
Full Disclosure: APPLE-SA-2022-12-13-3 iOS 16.1.2Mailing List;Third Party Advisory
-
http://seclists.org/fulldisclosure/2022/Dec/23
Full Disclosure: APPLE-SA-2022-12-13-4 macOS Ventura 13.1Mailing List;Third Party Advisory
-
http://seclists.org/fulldisclosure/2022/Dec/21
Full Disclosure: APPLE-SA-2022-12-13-2 iOS 15.7.2 and iPadOS 15.7.2Mailing List;Third Party Advisory
-
http://seclists.org/fulldisclosure/2022/Dec/28
Full Disclosure: APPLE-SA-2022-12-13-9 Safari 16.2Mailing List;Third Party Advisory
-
https://support.apple.com/en-us/HT213532
About the security content of macOS Ventura 13.1 - Apple SupportRelease Notes;Vendor Advisory
-
http://www.openwall.com/lists/oss-security/2022/12/26/1
oss-security - WebKitGTK and WPE WebKit Security Advisory WSA-2022-0011Mailing List;Third Party Advisory
-
http://seclists.org/fulldisclosure/2022/Dec/26
Full Disclosure: APPLE-SA-2022-12-13-7 tvOS 16.2Mailing List;Third Party Advisory
-
https://support.apple.com/en-us/HT213531
About the security content of iOS 15.7.2 and iPadOS 15.7.2 - Apple SupportRelease Notes;Vendor Advisory
-
https://support.apple.com/en-us/HT213537
About the security content of Safari 16.2 - Apple SupportRelease Notes;Vendor Advisory
-
https://support.apple.com/en-us/HT213535
About the security content of tvOS 16.2 - Apple SupportRelease Notes;Vendor Advisory
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