Vulnerability identifier: #VU28753

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-7649

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Broker
Client/Desktop applications / Other client software

Vendor: Snyk Ltd.

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote authenticated attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Broker: 1.0.0 - 4.72.2

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External links
http://snyk.io/vuln/SNYK-JS-SNYKBROKER-570608
http://github.com/snyk/broker/commit/90e0bac07a800b7c4c6646097c9c89d6b878b429
http://updates.snyk.io/snyk-broker-security-fixes-152338

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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