CVE-2020-1469 Infinite loop in .Net Bond
Attackers can cause a denial of service by sending improperly parsed input to applications using the Microsoft Bond library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-1469?
CVE-2020-1469 is a high-severity denial of service vulnerability in Microsoft Bond 9.0.1, published on 14 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A denial of service vulnerability exists when the .NET implementation of Bond improperly parses input, aka 'Bond Denial of Service Vulnerability'.
Weakness: CWE-434
Which versions are affected by CVE-2020-1469?
2 open source packages ship an affected version, including Bond.Core.CSharp. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
Bond.Core.CSharp NuGet | From 3.0.0 | 9.0.1 |
Bond.Core.CSharp NuGet | From 3.0.0 | 9.0.1 |
Products include Microsoft Bond.
How do I fix CVE-2020-1469?
Upgrade Bond.Core.CSharp to 9.0.1 or later.
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-2020-1469 being exploited?
There is no known exploitation of CVE-2020-1469 in the wild and no public exploit code.
Sources
Also known as GHSA-rqrc-8q8f-cp9c.