Known exploited vulnerability
CVE-2023-41990
The short answer
CVE-2023-41990 affects Apple iOS and iPadOS and is rated high (CVSS 7.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2024-01-08: attackers are using it, so patch it first.
What it is
The issue was addressed with improved handling of caches. This issue is fixed in tvOS 16.3, iOS 16.3 and iPadOS 16.3, macOS Monterey 12.6.8, macOS Big Sur 11.7.9, iOS 15.7.8 and iPadOS 15.7.8, macOS Ventura 13.2, watchOS 9.3. Processing a font file 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 15.7.1.
Severity
7.8 high
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Jan 8, 2024
Federal due date Jan 29, 2024
EPSS, next 30 days
1.4%
Higher than 72% of scored CVEs
How it can be exploited
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected products
iOS and iPadOS, tvOS, macOS, watchOS. NVD's record lists the exact affected versions.
References
- support.apple.com/en-us/HT213599 Vendor Advisory
- support.apple.com/en-us/HT213601 Vendor Advisory
- support.apple.com/en-us/HT213605 Vendor Advisory
- support.apple.com/en-us/HT213606 Vendor Advisory
- support.apple.com/en-us/HT213842 Vendor Advisory
- support.apple.com/en-us/HT213844 Vendor Advisory
- support.apple.com/en-us/HT213845 Vendor Advisory
- support.apple.com/en-us/HT213599 Vendor Advisory
- support.apple.com/en-us/HT213601 Vendor Advisory
- support.apple.com/en-us/HT213605 Vendor Advisory
- support.apple.com/en-us/HT213606 Vendor Advisory
- support.apple.com/en-us/HT213842 Vendor Advisory
Questions
Is CVE-2023-41990 being exploited?
Yes. CISA added CVE-2023-41990 to its Known Exploited Vulnerabilities catalog on 2024-01-08, with a federal remediation due date of 2024-01-29.
How do I fix CVE-2023-41990?
CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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