CVE-2020-7781 Command Injection
Attackers can execute arbitrary commands via the connection-tester npm package due to improper input handling in index.js.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-7781?
CVE-2020-7781 is a critical command injection vulnerability in connection-tester, published on 16 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
This affects the package connection-tester before 0.2.1. The injection point is located in line 15 in index.js. The following PoC demonstrates the vulnerability:
Weakness: CWE-78
Which versions are affected by CVE-2020-7781?
2 open source packages ship an affected version, including connection-tester. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
connection-tester npm | All versions | 0.2.1 |
connection-tester npm | All versions | 0.2.1 |
Products include Connection-Tester Project Connection-Tester.
How do I fix CVE-2020-7781?
Upgrade connection-tester to 0.2.1 or later.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2020-7781 being exploited?
There is no known exploitation of CVE-2020-7781 in the wild and no public exploit code.
Sources
Also known as GHSA-w5mp-8p8w-mhh8, SNYK-JS-CONNECTIONTESTER-1048337.