CVE-2018-20834
High
Description
A vulnerability was found in node-tar before version 4.4.2 (excluding version 2.2.2). An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content. A patch has been applied to node-tar v2.2.2).
SeverityHigh
CVSS7.5
Exploit probability—
ProductIsaacs Tar
PublishedApr 30, 2019
First seenApr 30, 2019
How to fix
Update
- isaacs tar2.2.2, 4.4.2 or later
- tar4.4.2, 2.2.2 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| isaacs tar | v < 2.2.2, 3.0.0 ≤ v < 4.4.2 | 2.2.2, 4.4.2 |
| tarnpm | 3.0.0 ≤ v < 4.4.2, v < 2.2.2 | 4.4.2, 2.2.2 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.