CVE-2019-7439 Denial of service in n/a
An attacker can cause a denial of service hang on JioFi 4G M2S devices by sending a malicious mask parameter to the web CGI interface.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-7439?
CVE-2019-7439 is a medium-severity denial of service vulnerability in n/a, published on 20 Mar 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
cgi-bin/qcmap_web_cgi on JioFi 4G M2S 1.0.2 devices allows a DoS (Hang) via the mask POST parameter.
Which versions are affected by CVE-2019-7439?
It affects 1 product.
Products include Jio Jiofi 4g M2s Firmware.
How do I fix CVE-2019-7439?
No fix has been published for CVE-2019-7439 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-7439 being exploited?
There is no known exploitation of CVE-2019-7439 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-w622-2pcj-f3x2.