Vulnerability identifier: #VU58203
Vulnerability risk: Medium
CVSSv3.1:
CVE-ID:
CWE-ID:
Exploitation vector: Network
Exploit availability:
Vulnerable software:
tar
Web applications /
JS libraries
Vendor: npm Inc.
Description
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when extracting tar files that contained two directories and a symlink
with names containing unicode values that normalized to the same value. A remote attacker can create a specially crafted archive that, when extracted, can overwrite arbitrary files on the system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
tar: 4.0.0 - 6.1.8
Fixed software versions
CPE
External links
http://github.com/npm/node-tar/security/advisories/GHSA-qq89-hq3f-393p
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?