#VU49494 XML External Entity injection


Published: 2021-01-12 | Updated: 2021-01-13

Vulnerability identifier: #VU49494

Vulnerability risk: Medium

CVSSv3: 6.2 [CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-27148

CWE-ID: CWE-611

Exploitation vector: Network

Exploit availability: No

Vulnerable software: TIBCO EBX Add-ons
Web applications / Modules and components for CMS

Vendor: TIBCO

Description

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

The vulnerability exists due to insufficient validation of user-supplied XML input. A remote authenticated attacker can pass a specially crafted XML code to the affected application, view contents of arbitrary files on the system or cause a partial denial of service (DoS) condition on the target system.

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.

This vulnerability affects the following components:

  • TIBCO EBX Add-on for Oracle Hyperion EPM
  • TIBCO EBX Data Exchange Add-on
  • TIBCO EBX Insight Add-on

Mitigation
Install updates from vendor's website.

Vulnerable software versions

TIBCO EBX Add-ons: 4.4.2

CPE

External links
http://www.tibco.com/services/support/advisories
https://www.tibco.com/support/advisories/2021/01/tibco-security-advisory-january-12-2021-tibco-ebx


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.


Latest bulletins with this vulnerability