Medium severity · published Oct 27, 2020
CVE-2019-8774
A resource exhaustion issue was addressed with improved input validation
5.5
CVSS
0.6%
EPSS
No
On KEV
Description
A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 13.1 and iPadOS 13.1, macOS Catalina 10.15. Parsing a maliciously crafted iBooks file may lead to a persistent denial-of-service.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 13.1 · source: NVD
IO
Ipad OS · Apple
before 13.1 · source: NVD
MO
Mac OS X · Apple
before 10.15 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-8774
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-8774
Vendor Advisory
https://support.apple.com/en-us/HT210603
Vendor Advisory
https://support.apple.com/en-us/HT210634
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