CVE-2020-17407 Memory corruption in Bullet-LTE
Remote attackers can execute arbitrary code with root privileges on Microhard Bullet-LTE devices via a stack-based buffer overflow in authentication header handling.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-17407?
CVE-2020-17407 is a critical memory corruption vulnerability in Microhard Bullet-LTE, published on 13 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-121
Which versions are affected by CVE-2020-17407?
It affects 1 product.
Products include Microhardcorp Bullet-Lte Firmware.
How do I fix CVE-2020-17407?
No fix has been published for CVE-2020-17407 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-17407 being exploited?
There is no known exploitation of CVE-2020-17407 in the wild and no public exploit code.
Other vulnerabilities in Microhard Bullet-LTE
Sources
Also known as GHSA-hpgj-wfpp-wx53.