CVE-2019-9536

low-risk

Published 2019-11-22

Apple iPhone 3GS bootrom malloc implementation returns a non-NULL pointer when unable to allocate memory, aka 'alloc8'. An attacker with physical access to the device can install arbitrary firmware.

Do I need to act?

0.17% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 6.1/10 Medium

PHYSICAL / LOW complexity

Affected Products (1)

Iphone 3Gs

Affected Vendors

Apple

References (4)

Exploit https://github.com/axi0mX/alloc8

Third Party Advisory https://github.com/axi0mX/ipwndfu/blob/master/alloc8.py

Exploit https://github.com/axi0mX/alloc8

Third Party Advisory https://github.com/axi0mX/ipwndfu/blob/master/alloc8.py

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low-risk

Severity 20/34 · Moderate

Exploitability 1/34 · Minimal

Exposure 5/34 · Minimal