Exploited vulnerability · CISA KEV

Is CVE-2022-22587 exploited? Yes: in CISA KEV since 28 Jan 2022

Gociux · Apple iOS and macOS · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2022-22587, Apple Memory Corruption Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 28 Jan 2022. It affects Apple iOS and macOS. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 28 Jan 2022

ransomwareNot knownno confirmed use

EPSStop 5%very likely to be exploited

severity9.8CVSS 3.1 · critical

US federal due11 Feb 2022BOD 22-01 deadline

What it is

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

Vendor	Apple (96 exploited CVEs in KEV)
Product	iOS and macOS
Vulnerability	Apple Memory Corruption Vulnerability
Weakness	CWE-20, CWE-787
Published	18 Mar 2022
Added to KEV	28 Jan 2022
Reported by (CNA)	apple

What to do

Check whether you run it. Look for iOS and macOS in your asset inventory, including appliances and cloud images. Stack check lists every exploited Apple CVE at once.
Apply the fix. Apply updates per vendor instructions.
If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 18 Mar 2022.
Get told next time. Email alerts when CISA adds a CVE for Apple.

Other exploited CVEs in iOS and macOS

CVE-2022-32894: Apple iOS and macOS Out-of-Bounds Write Vulnerability (18 Aug 2022)
CVE-2022-32893: Apple iOS and macOS Out-of-Bounds Write Vulnerability (18 Aug 2022)
CVE-2019-6223: Apple iOS and macOS Group Facetime Vulnerability (3 Nov 2021)

References

nvd.nist.gov/vuln/detail/CVE-2022-22587

Questions

Is CVE-2022-22587 being exploited?

Yes. CISA added CVE-2022-22587 to the Known Exploited Vulnerabilities catalog on 28 Jan 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2022-22587 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2022-22587?

Apply updates per vendor instructions. Check Apple's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected iOS and macOS and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in January 2022 · Apple scorecard · act-now radar.

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