High severity · published Nov 30, 2023
CVE-2023-42917
Apple Multiple Products WebKit Memory Corruption Vulnerability
In wildKEV
8.8
CVSS
9.3%
EPSS
Yes
On KEV
Description
A memory corruption vulnerability was addressed with improved locking. This issue is fixed in iOS 17.1.2 and iPadOS 17.1.2, macOS Sonoma 14.1.2, Safari 17.1.2. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited against versions of iOS before iOS 16.7.1.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)9.3% · higher than 95% of CVEs
Exploited in the wildYes
CISA KEVListed Dec 4, 2023
Federal remediation dueDec 25, 2023
Ransomware campaign useNot known
Affected products
Which versions
MA
macOS · Apple
before 14.1 · source: vendor, NVD
IO
iOS · Apple
before 15.8.1; 16.0 before 16.7.3; 17.0 before 17.1.2 · source: NVD
SA
Safari · Apple
before 17.1 · source: vendor, NVD
IA
iOS and iPadOS · Apple
before 17.1 · source: vendor
DL
Debian Linux · Debian
11.0; 12.0 · source: NVD
FE
Fedora · Fedoraproject
38; 39 · source: NVD
WE
Webkitgtk+ · Webkitgtk
before 2.42.3 · source: NVD
MP
Multiple Products · Apple
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-42917
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-42917
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
support.apple.com
https://support.apple.com/en-us/HT214033
support.apple.com
https://support.apple.com/en-us/HT214032
support.apple.com
https://support.apple.com/en-us/HT214031
support.apple.com
https://support.apple.com/kb/HT214033
www.openwall.com
http://www.openwall.com/lists/oss-security/2023/12/05/1
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P5LQS6VEI7VIZNC7QGQ62EOV45R5RJIR/
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