#VU28791 Information disclosure in apollo-server-azure-functions


Published: 2020-06-08

Vulnerability identifier: #VU28791

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-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
apollo-server-azure-functions
Web applications / Modules and components for CMS

Vendor: s7anley

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the affected package does not properly enforce validation rules when creating subscription servers, which includes a "NoInstrospection" rule for the Websocket. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

apollo-server-azure-functions: 1.1.1 - 2.14.1


External links
http://www.npmjs.com/advisories/1526
http://github.com/advisories/GHSA-w42g-7vfc-xf37


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