Apple OS X Heap-Based Buffer Overflow Vulnerability

Heap-based buffer overflow in IOHIDFamily in Apple iOS before 8 and Apple TV before 7 allows attackers to execute arbitrary code in a privileged context via an application that provides crafted key-mapping properties.

CheckOps priority index

6.4/10 Patch within 7 days

Severity7.8

Probability4.9

Exploitation3/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 48.9% higher than 98.9% of CVEs

CVSS 3.1 7.8 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:

Exploited for 1,727 days 10 Feb 2022

CISA due date 10 Aug 2022 for US federal agencies

Exploitation probability EPSS · FIRST

EPSS probability (%)Percentile among all CVEs

Exploitation signals 3 / 5

KEV catalog (CISA)10 Feb 2022
Exploited in EUVD (ENISA)10 Feb 2022
Used by ransomwareno
EPSS above 10 %48.9%
No account, over the networkno

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply updates per vendor instructions.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Affected products

OS X

Weaknesses (CWE)

CWE-119

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

18 Sept 2014
Published
10 Feb 2022
Exploitation reported (ENISA)
10 Feb 2022
Added to the KEV catalog
10 Aug 2022
CISA remediation due date
26 Sept 2026
EPSS peak: 48.9%

References

Other exploited vulnerabilities from the same vendor

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