#VU89839 Server-Side Request Forgery (SSRF) in Cockpit - CVE-2020-35850

Vulnerability identifier: #VU89839

Vulnerability risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-35850

CWE-ID: CWE-918

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cockpit
Server applications / Other server solutions

Vendor: cockpit-project.org

Description

The disclosed vulnerability allows a remote user to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input. A remote user can send a specially crafted HTTP request and trick the application to initiate SSH requests to localhost.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cockpit: 0.0.1 - 289

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External links
https://github.com/passtheticket/vulnerability-research/blob/main/cockpitProject/README.md
https://github.com/cockpit-project/cockpit/issues/15077
https://github.com/cockpit-project/cockpit/commit/29500b32c66dff16ec4aabf119a5772f007a007e

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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.