CVE-2020-1729 Permissions bypass in SmallRye
Attackers can bypass permission checks to access the ClassLoader, potentially compromising data confidentiality in applications using SmallRye.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-1729?
CVE-2020-1729 is a medium-severity vulnerability in SmallRye, published on 28 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw was found in SmallRye's API through version 1.6.1. The API can allow other code running within the application server to potentially obtain the ClassLoader, bypassing any permissions checks that should have been applied. The largest threat from this vulnerability is a threat to data confidentiality. This is fixed in SmallRye 1.6.2
Weakness: CWE-863
Which versions are affected by CVE-2020-1729?
2 open source packages ship an affected version, including io.smallrye.config:smallrye-config. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
io.smallrye.config:smallrye-config Maven | All versions | 1.6.2 |
io.smallrye.config:smallrye-config Maven | All versions | 1.6.2 |
Products include Redhat Smallrye Config.
How do I fix CVE-2020-1729?
Upgrade io.smallrye.config:smallrye-config to 1.6.2 or later.
Is CVE-2020-1729 being exploited?
There is no known exploitation of CVE-2020-1729 in the wild and no public exploit code.
Sources
Also known as GHSA-54fx-gm74-q676.