XML External Entity injection in 360 FireLine plugin for Jenkins

1) XML External Entity injection

EUVDB-ID: #VU22260

Risk: High

CVSSv3.1: 7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2019-10466

CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to missing permission checks in a form validation method that accepts XML. A remote authenticated user with Overall/Read permission can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.

Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

360 FireLine: 1.0 - 1.7.2

External links

http://jenkins.io/security/advisory/2019-10-23/#SECURITY-822

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.