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CertccCVE-2019-9536

HistoryNov 22, 2019 - 6:15 p.m.

CVE-2019-9536

2019-11-2218:15:11

CWE-755

certcc

web.nvd.nist.gov

apple

iphone 3gs

bootrom

malloc

cve-2019-9536

security issue

firmware installation

vulnerability

nvd

CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS3

6.8

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

5.9

Confidence

High

EPSS

0.001

Percentile

41.5%

JSON

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.

Affected configurations

Nvd

Node

appleiphone_3gsMatch-

VendorProductVersionCPE
appleiphone_3gs-cpe:2.3:h:apple:iphone_3gs:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
apple	iphone_3gs	-	cpe:2.3:h:apple:iphone_3gs:-:::::::*

CNA Affected

[
  {
    "product": "iPhone",
    "vendor": "Apple",
    "versions": [
      {
        "status": "affected",
        "version": "3GS"
      }
    ]
  }
]

References

github.com/axi0mX/alloc8

github.com/axi0mX/ipwndfu/blob/master/alloc8.py

CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS3

6.8

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

5.9

Confidence

High

EPSS

0.001

Percentile

41.5%

JSON

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