Critical severity · published Oct 27, 2020
CVE-2019-8547
An out-of-bounds read issue existed that led to the disclosure of kernel memory
9.8
CVSS
2.3%
EPSS
No
On KEV
Description
An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Mojave 10.14.5, Security Update 2019-003 High Sierra, Security Update 2019-003 Sierra, watchOS 5.2, macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, iOS 12.2. A remote attacker may be able to leak memory.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 12.2 · source: NVD
MO
Mac OS X · Apple
10.12.6 before 10.14.5; 10.14.3 before 10.14.4 · source: NVD
WA
Watchos · Apple
before 5.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-8547
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-8547
Vendor Advisory
https://support.apple.com/en-us/HT209599
Vendor Advisory
https://support.apple.com/en-us/HT209600
Vendor Advisory
https://support.apple.com/en-us/HT209602
Vendor Advisory
https://support.apple.com/en-us/HT210119
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