XML External Entity injection in Jenkins Rundeck Plugin



Published: 2020-03-11
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-2144
CWE-ID CWE-611
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Web applications / Modules and components for CMS

Vendor Jenkins

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) XML External Entity injection

EUVDB-ID: #VU26014

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-2144

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 insufficient validation of user-supplied XML input. A remote user with Overall/Read access 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

Install updates from vendor's website.

Vulnerable software versions

Rundeck: 1.0 - 3.6.6

CPE2.3 External links

http://www.openwall.com/lists/oss-security/2020/03/09/1
http://jenkins.io/security/advisory/2020-03-09/#SECURITY-1702


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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