Vulnerability identifier: #VU51583

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Shibboleth Service Provider
Server applications / Directory software, identity management

Vendor: Shibboleth

Description

The vulnerability allows a remote attacker to inject arbitrary content into messages.

The vulnerability exists due to insufficient validation of user-supplied input when processing URL. A remote attacker can pass specially crafted input to the application and display arbitrary content.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Shibboleth Service Provider: 3.0.0 - 3.2.0

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External links
http://shibboleth.net/community/advisories/secadv_20210317.txt

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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.