Known exploited vulnerability
CVE-2019-8506
The short answer
CVE-2019-8506 affects Apple iOS and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-05-04: attackers are using it, so patch it first.
What it is
A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.
Weakness: CWE-843.
Severity
8.8 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since May 4, 2022
Federal due date May 25, 2022
EPSS, next 30 days
16%
Higher than 97% of scored CVEs
How it can be exploited
- Attack vector
- Network
- 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 updates per vendor instructions.
Affected products
iOS, tvOS, watchOS, Safari, iTunes for Windows, iCloud for Windows. NVD's record lists the exact affected versions.
References
- support.apple.com/HT209599 Release NotesVendor Advisory
- support.apple.com/HT209601 Release NotesVendor Advisory
- support.apple.com/HT209602 Release NotesVendor Advisory
- support.apple.com/HT209603 Release NotesVendor Advisory
- support.apple.com/HT209604 Release NotesVendor Advisory
- support.apple.com/HT209605 Release NotesVendor Advisory
- support.apple.com/HT209599 Release NotesVendor Advisory
- support.apple.com/HT209601 Release NotesVendor Advisory
- support.apple.com/HT209602 Release NotesVendor Advisory
- support.apple.com/HT209603 Release NotesVendor Advisory
- support.apple.com/HT209604 Release NotesVendor Advisory
- support.apple.com/HT209605 Release NotesVendor Advisory
Questions
Is CVE-2019-8506 being exploited?
Yes. CISA added CVE-2019-8506 to its Known Exploited Vulnerabilities catalog on 2022-05-04, with a federal remediation due date of 2022-05-25.
How do I fix CVE-2019-8506?
CISA's required action: Apply updates per vendor instructions.
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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