GHSA-2mj8-pj3j-h362 Symlink reference outside of node_modules in bin-links
Attackers can create symlinks to files outside node_modules via the bin field, allowing unauthorized file access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is GHSA-2mj8-pj3j-h362?
GHSA-2mj8-pj3j-h362 is a path traversal vulnerability in bin-links, published on 4 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Versions of bin-links prior to 1.1.5 are vulnerable to a Symlink reference outside of node_modules. It is possible to create symlinks to files outside of thenode_modules folder through the bin field. This may allow attackers to access unauthorized files.
Recommendation
Upgrade to version 1.1.5 or later.
Which versions are affected by GHSA-2mj8-pj3j-h362?
2 open source packages ship an affected version, including bin-links.
| Package | Affected | Fixed in |
|---|---|---|
bin-links npm | All versions | 1.1.5 |
bin-links npm | All versions | 1.1.5 |
How do I fix GHSA-2mj8-pj3j-h362?
Upgrade bin-links to 1.1.5 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is GHSA-2mj8-pj3j-h362 being exploited?
There is no known exploitation of GHSA-2mj8-pj3j-h362 in the wild and no public exploit code.