CVE-2017-17411 Command injection in Linksys WVBR0
Remote attackers can execute arbitrary code with root privileges on Linksys WVBR0 devices via the web management portal due to improper input validation.
- 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-2017-17411?
CVE-2017-17411 is a critical command injection vulnerability in Linksys WVBR0, published on 21 Dec 2017. 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 vulnerable installations of Linksys WVBR0. Authentication is not required to exploit this vulnerability. The specific flaw exists within the web management portal. The issue lies in the lack of proper validation of user data before executing a system call. An attacker could leverage this vulnerability to execute code with root privileges. Was ZDI-CAN-4892.
Weakness: CWE-78
Which versions are affected by CVE-2017-17411?
It affects 1 product.
Products include Linksys Wvbr0 Firmware.
How do I fix CVE-2017-17411?
No fix has been published for CVE-2017-17411 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2017-17411 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-17411 exists.
Public exploit code: 1 Metasploit module and 2 Exploit-DB entries.
Sources
Also known as GHSA-xp6v-frx8-276h.