CVE-2022-22587

Apple iOS and macOS: Memory Corruption

As of , CVE-2022-22587 in Apple iOS and macOS is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.

Exploited
Yes: CISA listed it on 28 January 2022
US federal deadline
11 February 202214 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.12Higher than 95% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
Not availableCISA listed it before 4 February 2022, where the EPSS files we read begin.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
No vendor link in CISA's entry

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

Apple IOMobileFrameBuffer contains a memory corruption vulnerability which can allow a malicious application to execute arbitrary code with kernel privileges.

CISA's description

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..

The CVE record's description, from apple

CVE published
18 March 2022
Assigned by
apple
CVSS
9.8 Critical (CVSS 3.1, from CISA-ADP)
CWE-787
Out-of-bounds Write
CWE-20
Improper Input Validation
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
total

Timeline

  1. CISA added it to its list of exploited vulnerabilities.
  2. The US federal deadline to fix it.
  3. The CVE record was published.

iOS and macOS: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2022-32893Out-of-Bounds WriteApple iOS and macOSPatch soon0.10
CVE-2022-32894Out-of-Bounds WriteApple iOS and macOSPatch soon0.03
CVE-2019-6223Group FacetimeApple iOS and macOSPatch soon0.03

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