CVE-2019-9536

CVSS V2 Medium 6.9 CVSS V3 Medium 6.8

Description

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.

Overview

CVE ID
CVE-2019-9536

Assigner
cret@cert.org

Vulnerability Status
Analyzed

Published Version
2019-11-22T18:15:11

Last Modified Date
2021-07-21T11:39:23

Weakness Enumerations

CWE	URL
CWE-755	http://cwe.mitre.org/data/definitions/755.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:h:apple:iphone_3gs:-:::::::*	1	OR

CVSS Version 2

Version
2.0

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

Access Vector
LOCAL

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
6.9

Severity
MEDIUM

Exploitability Score
3.4

Impact Score
10

CVSS Version 3

Version
3.1

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

Attack Vector
PHYSICAL

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
6.8

Base Severity
MEDIUM

Exploitability Score
0.9

Impact Score
5.9

References

Reference URL	Reference Tags
https://github.com/axi0mX/ipwndfu/blob/master/alloc8.py	Third Party Advisory
https://github.com/axi0mX/alloc8	Exploit Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2019-9536
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9536

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:00:04				Added to TrackCVE
2022-12-04 06:48:14	cert@cert.org	cret@cert.org	CVE Assigner	updated
2022-12-04 06:48:14	2019-11-22T18:15Z	2019-11-22T18:15:11	CVE Published Date	updated
2022-12-04 06:48:14		2021-07-21T11:39:23	CVE Modified Date	updated
2022-12-04 06:48:14		Analyzed	Vulnerability Status	updated