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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.068 (93.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.068 · newest: 0.068 · change: 0.000
Affected products
- Microhard Bullet-Lte — versions prior to v1.2.0-r1112
- Microhardcorp Bullet-Lte
- Microhardcorp Bullet-Lte Firmware
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-20-1206/ (VDB Entry, Third Party Advisory)
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.