CVE-2020-7648 Arbitrary File Read in Snyk Broker
An attacker with internal network access can read arbitrary files by manipulating URL fragments, exposing sensitive data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-7648?
CVE-2020-7648 is a medium-severity path traversal vulnerability in snyk-broker, published on 29 May 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
All versions of snyk-broker before 4.72.2 are vulnerable to Arbitrary File Read. It allows arbitrary file reads for users who have access to Snyk's internal network by appending the URL with a fragment identifier and a whitelisted path e.g. `#package.json`
Weakness: CWE-22
Which versions are affected by CVE-2020-7648?
2 open source packages ship an affected version, including snyk-broker. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
snyk-broker npm | All versions | 4.72.2 |
snyk-broker npm | All versions | 4.72.2 |
Products include Synk Broker.
How do I fix CVE-2020-7648?
Upgrade snyk-broker to 4.72.2 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-7648 being exploited?
There is no known exploitation of CVE-2020-7648 in the wild and no public exploit code.
Other vulnerabilities in snyk-broker
Sources
Also known as GHSA-9xv2-548x-5h79, SNYK-JS-SNYKBROKER-570607.