Apple iPhone 3GS Bootrom Memory Allocation Issue
CVE-2019-9536

6.1MEDIUM

Key Information:

Vendor

Apple
Status
Iphone
Vendor
CVE Published:
22 November 2019

Badges

👾 Exploit Exists

What is CVE-2019-9536?

The Apple iPhone 3GS is affected by a memory allocation issue in its bootrom, where the malloc implementation erroneously returns a non-NULL pointer even when memory allocation fails. This flaw allows an attacker with physical access to the device to install arbitrary firmware, thereby compromising the device's integrity. Effective mitigation requires physical security measures to prevent unauthorized access.

Affected Version(s)

iPhone 3GS

References

https://github.com/axi0mX/ipwndfu/blob/master/alloc8.py
x_refsource_MISC
https://github.com/axi0mX/alloc8
x_refsource_MISC

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

axi0mX
JSON
.