CVE-2023-42137: a50 — Exploit

Description

PAX Android based POS devices with PayDroid_8.1.0_Sagittarius_V11.1.50_20230614 or earlier can allow for command execution with high privileges by using malicious symlinks. The attacker must have shell access to the device in order to exploit this vulnerability.

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CVSS v3.1 Score

7.8

HIGH

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

Weakness Type (CWE)

CWE-59 CWE-59

Affected Products

Vendor	Product	Versions
paxtechnology	paydroid	< 8.1.0_sagittarius_11.1.50_20230614
paxtechnology	a50	All
paxtechnology	paydroid	< 8.1.0_sagittarius_11.1.50_20230614
paxtechnology	a6650	All
paxtechnology	paydroid	< 8.1.0_sagittarius_11.1.50_20230614
paxtechnology	a800	All
paxtechnology	paydroid	< 8.1.0_sagittarius_11.1.50_20230614
paxtechnology	a77	All
paxtechnology	paydroid	< 8.1.0_sagittarius_11.1.50_20230614
paxtechnology	a920	All
paxtechnology	paydroid	< 8.1.0_sagittarius_11.1.50_20230614
paxtechnology	a920_pro	All
paxtechnology	paydroid	< 8.1.0_sagittarius_11.1.50_20230614
paxtechnology	a920_max	All
paxtechnology	paydroid	< 8.1.0_sagittarius_11.1.50_20230614
paxtechnology	d190	All

References

Exploits

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

Other References

https://cert.pl/en/posts/2024/01/CVE-2023-4818/ https://cert.pl/posts/2024/01/CVE-2023-4818/ https://ppn.paxengine.com/release/development https://cert.pl/en/posts/2024/01/CVE-2023-4818/ https://cert.pl/posts/2024/01/CVE-2023-4818/ https://ppn.paxengine.com/release/development

Frequently Asked Questions

What is CVE-2023-42137? +

PAX Android based POS devices with PayDroid_8.1.0_Sagittarius_V11.1.50_20230614 or earlier can allow for command execution with high privileges by using malicious symlinks. The attacker must have shell access to the device in order to exploit this vulnerability. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-42137? +

CVE-2023-42137 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-42137? +

CVE-2023-42137 affects products from paxtechnology, specifically: a50, a6650, a77, a800, a920, a920_max, a920_pro, d190, paydroid. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-42137? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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