CVE-2018-12257 — MEDIUM (4.4)

Vulnerability Description

An issue was discovered on Momentum Axel 720P 5.1.8 devices. There is Authenticated Custom Firmware Upgrade via DNS Hijacking. An authenticated root user with CLI access is able to remotely upgrade firmware to a custom image due to lack of SSL validation by changing the nameservers in /etc/resolv.conf to the attacker's server, and serving the expected HTTPS response containing new firmware for the device to download.

CVSS Score

4.4

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Apollotechnologiesinc	Momentum Axel 720P Firmware	5.1.8
Apollotechnologiesinc	Momentum Axel 720P	-

Related Weaknesses (CWE)

CWE-295

References

https://rchase.com/downloads/momentum-iot-penetration-test-report.pdfExploitThird Party Advisory
https://rchase.com/downloads/momentum-iot-penetration-test-report.pdfExploitThird Party Advisory

FAQ

What is CVE-2018-12257?

CVE-2018-12257 is a vulnerability with a CVSS score of 4.4 (MEDIUM). An issue was discovered on Momentum Axel 720P 5.1.8 devices. There is Authenticated Custom Firmware Upgrade via DNS Hijacking. An authenticated root user with CLI access is able to remotely upgrade fi...

How severe is CVE-2018-12257?

CVE-2018-12257 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-12257?

Check the references section above for vendor advisories and patch information. Affected products include: Apollotechnologiesinc Momentum Axel 720P Firmware, Apollotechnologiesinc Momentum Axel 720P.