CVE-2013-4116 Local Privilege Escalation in npm
Local attackers can overwrite arbitrary files via symlink attacks on predictable temporary files during archive unpacking in npm.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-4116?
CVE-2013-4116 is a low-severity path traversal vulnerability in n/a, published on 22 Apr 2014. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
lib/npm.js in Node Packaged Modules (npm) before 1.3.3 allows local users to overwrite arbitrary files via a symlink attack on temporary files with predictable names that are created when unpacking archives.
Weakness: CWE-59
Which versions are affected by CVE-2013-4116?
2 open source packages ship an affected version, including npm. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
npm npm | All versions | 1.3.3 |
npm npm | All versions | 1.3.3 |
Products include Node Packaged Modules Project Node Packaged Modules.
How do I fix CVE-2013-4116?
Upgrade npm to 1.3.3 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2013-4116 being exploited?
There is no known exploitation of CVE-2013-4116 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2013-4116, GHSA-v3jv-wrf4-5845.