CVE-2017-5258 Cross-site scripting in ePMP
An attacker can inject XSS strings via SNMP configuration restore, potentially leading to code execution or security bypass on Cambium ePMP devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2017-5258?
CVE-2017-5258 is a medium-severity cross-site scripting vulnerability in Cambium Networks ePMP, published on 20 Dec 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
In version 3.5 and prior of Cambium Networks ePMP firmware, an attacker who knows or can guess the RW community string can provide a URL for a configuration file over SNMP with XSS strings in certain SNMP OIDs, serve it via HTTP, and the affected device will perform a configuration restore using the attacker's supplied config file, including the inserted XSS strings.
Weakness: CWE-79
Which versions are affected by CVE-2017-5258?
It affects 2 products.
Products include Cambiumnetworks Epmp 1000 Firmware, Cambiumnetworks Epmp 2000 Firmware.
How do I fix CVE-2017-5258?
No fix has been published for CVE-2017-5258 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2017-5258 being exploited?
There is no known exploitation of CVE-2017-5258 in the wild and no public exploit code.
Other vulnerabilities in Cambium Networks ePMP
Sources
Also known as GHSA-h793-x4j4-j48w.