Insufficient verification of data authenticity in Spring Security OAuth - CVE-2019-11269
Published: June 3, 2019 / Updated: June 17, 2021
Vulnerability identifier: #VU18660
CSH Severity: Medium
CVSS v4.0: 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
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Pivotal
Affected software:
Spring Security OAuth
Spring Security OAuth
Detailed vulnerability 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.
How to mitigate CVE-2019-11269
Install updates from vendor's website.