CVE-2017-7183 Denial of service in n/a
Remote attackers can crash the ExtraPuTTY TFTP server by sending large read or write protocol messages, causing a denial of service.
- 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-2017-7183?
CVE-2017-7183 is a high-severity denial of service vulnerability in n/a, published on 27 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The TFTP server in ExtraPuTTY 0.30 and earlier allows remote attackers to cause a denial of service (crash) via a large (1) read or (2) write TFTP protocol message.
Weakness: CWE-20
Which versions are affected by CVE-2017-7183?
It affects 1 product.
Products include Extraputty Extraputty.
How do I fix CVE-2017-7183?
No fix has been published for CVE-2017-7183 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-2017-7183 being exploited?
There is no known exploitation of CVE-2017-7183 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-qg2q-g744-m7q9.