CVE-2020-35579 Denial of service in n/a
An attacker can cause a denial of service by triggering a request loop through the /sub endpoint's URL parameter handling.
- 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-2020-35579?
CVE-2020-35579 is a high-severity denial of service vulnerability in n/a, published on 20 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
tindy2013 subconverter 0.6.4 has a /sub?target=%TARGET%&url=%URL%&config=%CONFIG% API endpoint that accepts an arbitrary %URL% value and launches a GET request for it, but does not consider that the external request target may indirectly redirect back to this original /sub endpoint. Thus, a request loop and a denial of service may occur.
Which versions are affected by CVE-2020-35579?
It affects 1 product.
Products include Subconverter Project Subconverter.
How do I fix CVE-2020-35579?
No fix has been published for CVE-2020-35579 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-2020-35579 being exploited?
There is no known exploitation of CVE-2020-35579 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-cj8c-gw6c-32jv.