High severity · published Apr 2, 2021
CVE-2020-29624
A memory corruption issue existed in the processing of font files
7.8
CVSS
1%
EPSS
No
On KEV
Description
A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted font file may lead to arbitrary code execution.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 14.3 · source: NVD
MA
macOS · Apple
11.0 before 11.1.0 · source: NVD
MO
Mac OS X · Apple
10.14 before 10.14.6; 10.15 before 10.15.7; 10.14.6; 10.14.6; 10.14.6; 10.14.6; +11 more · source: NVD
TV
Tvos · Apple
before 14.3 · source: NVD
WA
Watchos · Apple
before 7.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-29624
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-29624
Vendor Advisory
https://support.apple.com/en-us/HT212003
Vendor Advisory
https://support.apple.com/en-us/HT212005
Vendor Advisory
https://support.apple.com/en-us/HT212009
Vendor Advisory
https://support.apple.com/en-us/HT212011
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