#VU15466 Privilege escalation in Spring Security OAuth - CVE-2018-15758

Vulnerability identifier: #VU15466

Vulnerability risk: Low

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-15758

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Spring Security OAuth
Server applications / Frameworks for developing and running applications

Vendor: Pivotal

Description

The vulnerability allows a remote attacker to gain elevated privileges on the target system.

The vulnerability exists in the OAuth2 component of Pivotal Software Spring Security OAuth due to improper security restrictions. A remote unauthenticated attacker can send a specially crafted request and modify a previously saved authorization request to gain elevated privileges.

Mitigation
The vulnerability has been addressed in the versions 2.0.16, 2.1.3, 2.2.3, 2.3.4.

Vulnerable software versions

Spring Security OAuth: 2.0 - 2.3.3

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External links
https://pivotal.io/security/cve-2018-15758

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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.