Information disclosure in Spring Security OAuth



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-11269
CWE-ID CWE-345
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Spring Security OAuth
Server applications / Frameworks for developing and running applications

Vendor Pivotal

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Insufficient verification of data authenticity

EUVDB-ID: #VU18660

Risk: Medium

CVSSv4.0: 2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2019-11269

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to the application relies on the URL passed via the "redirect_uri" parameter. A remote attacker can create a specially crafted link that once clicked will cause the authorization server to redirect the resource owner user-agent to a URI under the control of the attacker after successful authentication. As a result the attacker can gain authorization code and bypass OAuth authentication.


Mitigation

Install updates from vendor's website.

Vulnerable software versions

Spring Security OAuth: 2.0.0 - 2.3.4

CPE2.3 External links

https://pivotal.io/security/cve-2019-11269


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. However, proof of concept for this vulnerability is available.



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