#VU25108 Link following in Harp


Published: 2020-02-10

Vulnerability identifier: #VU25108

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-59

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Harp
Server applications / Web servers

Vendor: npm Inc.

Description

The vulnerability allows a remote attacker to access unauthorised files.

The vulnerability exists due to a symlink following issue. A remote attacker can create a specially crafted symbolic link to a critical file on the system and can gain access to unauthorised files.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Harp: 0.1.0 - 0.31.0


External links
http://snyk.io/vuln/SNYK-JS-HARP-544928
http://github.com/sintaxi/harp/pull/659


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability