Spoofing attack in Atlassian Confluence

1) Spoofing attack

EUVDB-ID: #VU14023

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-13389

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to conduct spoofing attack.

The weakness exists in the attachment due to an error when handling malicious input. A remote attacker can supply specially crafted attachments that have a content-type of application/rdf+xml, spoof web content in the Mozilla Firefox Browser.

Mitigation

Update to version 6.6.1, 6.7.0.

Vulnerable software versions

Atlassian Confluence Server: 6.4.3

External links

http://jira.atlassian.com/browse/CONFSERVER-54906

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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