CVE-2019-8985 Memory corruption in n/a
Unauthenticated attackers can trigger a stack-based buffer overflow via a long HTTP Authorization header, leading to remote code execution or device restart.
- 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-2019-8985?
CVE-2019-8985 is a critical memory corruption vulnerability in n/a, published on 21 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
On Netis WF2411 with firmware 2.1.36123 and other Netis WF2xxx devices (possibly WF2411 through WF2880), there is a stack-based buffer overflow that does not require authentication. This can cause denial of service (device restart) or remote code execution. This vulnerability can be triggered by a GET request with a long HTTP "Authorization: Basic" header that is mishandled by user_auth->user_ok in /bin/boa.
Which versions are affected by CVE-2019-8985?
It affects 2 products.
Products include Netis-Systems Wf2411 Firmware, Netis-Systems Wf2880 Firmware.
How do I fix CVE-2019-8985?
No fix has been published for CVE-2019-8985 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-2019-8985 being exploited?
There is no known exploitation of CVE-2019-8985 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-842g-r5mc-p7w4.