What is CVE-2020-17407?

CVE-2020-17407 is a critical-severity vulnerability in Microhard Bullet-Lte, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2020-10-13.

How severe is CVE-2020-17407?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Microhard Bullet-Lte

CVE-2020-17407

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microhard Bullet-LTE prior to v1.2.0-r1112. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of authentication headers. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-10596.

Vulnerability class: Buffer Overflow

EPSS: 0.068 (93.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microhard Bullet-lte — versions prior to v1.2.0-r1112
Microhardcorp Bullet-lte
Microhardcorp Bullet-lte_firmware

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-17407?: CVE-2020-17407 is a critical-severity vulnerability in Microhard Bullet-Lte, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2020-10-13.
How severe is CVE-2020-17407?: Critical severity. CVSS v3 base score is 9.8 out of 10.