CVE-2019-16377 Consul gem insufficient authentication check - Multiple powers in one controller are not always checked correctly
The makandra consul gem for Ruby lacks proper access control, allowing attackers to bypass authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-16377?
CVE-2019-16377 is a critical missing authorization vulnerability in n/a, published on 23 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The makandra consul gem through 1.0.2 for Ruby has Incorrect Access Control.
Which versions are affected by CVE-2019-16377?
2 open source packages ship an affected version, including consul. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
consul RubyGems | All versions | 1.0.3 |
consul RubyGems | All versions | 1.0.3 |
Products include Makandra Consul.
How do I fix CVE-2019-16377?
Upgrade consul to 1.0.3 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2019-16377 being exploited?
There is no known exploitation of CVE-2019-16377 in the wild and no public exploit code.
Sources
Also known as GHSA-8jhx-9gf4-hhf5.