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CVE-2022-22587

Apple — Apple Memory Corruption Vulnerability

Apple · CWE-787 — Out-of-bounds write · in CISA KEV since 2022-01-28

KEV since 2022 · listed over a yearCISA KEVActively Exploited
75

EVRS 75 of 100 Urgent

Patch This Cycle

Rank 995 of 2,960 tracked

Raised to the floor for a confirmed exploited vulnerability.

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Why it scores 75

Evidence available: 6 of 7 signals

Listed in the CISA KEV catalog, and an EPSS probability of 0.116.

  • CISA KEVApplied
  • RansomwareDid not apply
  • Vendor exploitationDid not apply
  • EPSSApplied
  • Microsoft Exploitability IndexNot applicable
  • Pre-patch disclosureNo data
  • KEV recencyDid not apply
  • CVSSApplied

The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data

Fix

Patch or fixed version identified

CISA required action

Fixed in

ipados: update to 15.3 or later | iphone os: update to 15.3 or later | macos: update to 11.6.3 or later | macos: update to 12.2 or later

Affected versions

  • ipados< 15.3
  • iphone os< 15.3
  • macos< 11.6.3>= 12.0 < 12.2

Remediation

Apply updates per vendor instructions.

Fixed versions from NVD.

Evidence

Each value with its source
MeasureValueSource
CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. 9.8 NVD
FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. 0.116 (96th pctl) FIRST EPSS
Actively exploitedWhether a source of record has confirmed attacks using it in the wild. Confirmed CISA KEV
Ransomware campaign useWhether CISA has seen ransomware operators use it. Unknown or none CISA KEV
CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. 2022-02-11 · KEV since 2022 · listed over a year CISA KEV
Public exploit moduleA module existing is not the same as active exploitation. None known Metasploit
EUVD cross-referenceENISA's record: CVSS 9.8 (v3.1), assigned by apple. Listed ENISA EUVD

Description

NVD

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 15.3 and iPadOS 15.3, macOS Big Sur 11.6.3, macOS Monterey 12.2. A malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..

What CISA says to do