CVE-2020-36066 github.com/tidwall/gjson is vulnerable to Denial of service
Attackers can cause a remote denial of service in the GJSON library by sending crafted JSON data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-36066?
CVE-2020-36066 is a high-severity denial of service vulnerability in n/a, published on 5 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
GJSON <1.6.5 allows attackers to cause a denial of service (remote) via crafted JSON.
Which versions are affected by CVE-2020-36066?
3 open source packages ship an affected version, including github.com/tidwall/gjson. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/tidwall/gjson Go | All versions | 1.6.5 |
github.com/tidwall/gjson Go | All versions | 1.6.5 |
github.com/tidwall/gjson Go | All versions | 1.6.5 |
Products include Gjson Project Gjson.
How do I fix CVE-2020-36066?
Upgrade github.com/tidwall/gjson to 1.6.5 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-2020-36066 being exploited?
There is no known exploitation of CVE-2020-36066 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2020-36066, GHSA-wjm3-fq3r-5x46, GO-2022-0957, UBUNTU-CVE-2020-36066.