#VU28490 Cross-site request forgery in Atlassian Fisheye and Atlassian Crucible - CVE-2020-4018

Vulnerability identifier: #VU28490

Vulnerability risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-4018

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Atlassian Fisheye
Client/Desktop applications / Office applications
Atlassian Crucible
Client/Desktop applications / Office applications

Vendor: Atlassian

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in the setup resources. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Atlassian Fisheye: 4.7.2

Atlassian Crucible: 4.7.2

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External links
https://jira.atlassian.com/browse/CRUC-8471
https://jira.atlassian.com/browse/FE-7287

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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.