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[email protected]NVD:CVE-2023-4818

HistoryJan 15, 2024 - 2:15 p.m.

CVE-2023-4818

2024-01-1514:15:25

CWE-74

CWE-20

[email protected]

web.nvd.nist.gov

pax a920

bootloader

vulnerability

physical exploit

CVSS3

7.6

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

EPSS

0.001

Percentile

19.7%

JSON

PAX A920 device allows to downgrade bootloader due to a bug in its version check. The signature is correctly checked and only bootloader signed by PAX can be used.

The attacker must have physical USB access to the device in order to exploit this vulnerability.

Affected configurations

Nvd

Node

paxtechnologya920Match-

AND

paxtechnologypaydroidMatch7.1.2_aquarius_11.1.50_20230614

VendorProductVersionCPE
paxtechnologya920-cpe:2.3:h:paxtechnology:a920:-:*:*:*:*:*:*:*
paxtechnologypaydroid7.1.2_aquarius_11.1.50_20230614cpe:2.3:o:paxtechnology:paydroid:7.1.2_aquarius_11.1.50_20230614:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
paxtechnology	a920	-	cpe:2.3:h:paxtechnology:a920:-:::::::*
paxtechnology	paydroid	7.1.2_aquarius_11.1.50_20230614	cpe:2.3:o:paxtechnology:paydroid:7.1.2_aquarius_11.1.50_20230614:::::::*

References

blog.stmcyber.com/pax-pos-cves-2023/

cert.pl/en/posts/2024/01/CVE-2023-4818/

cert.pl/posts/2024/01/CVE-2023-4818/

ppn.paxengine.com/release/development

CVSS3

7.6

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

EPSS

0.001

Percentile

19.7%

JSON

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