Arbitrary content injection in Shibboleth Service Provider



Published: 2021-03-19
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Shibboleth Service Provider
Server applications / Directory software, identity management

Vendor Shibboleth

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU51583

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 - Improper input validation

Exploit availability: No

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

External links

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


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.



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