Data Handling in Spring Security OAuth - CVE-2016-4977
Published: May 25, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU38945
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2016-4977
CWE-ID: CWE-19
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Pivotal
Affected software:
Spring Security OAuth
Spring Security OAuth
Detailed vulnerability description
The vulnerability allows a remote authenticated user to execute arbitrary code.
When processing authorization requests using the whitelabel views in Spring Security OAuth 2.0.0 to 2.0.9 and 1.0.0 to 1.0.5, the response_type parameter value was executed as Spring SpEL which enabled a malicious user to trigger remote code execution via the crafting of the value for response_type.
How to mitigate CVE-2016-4977
Install update from vendor's website.
Sources
- http://www.openwall.com/lists/oss-security/2019/10/16/1
- https://lists.apache.org/thread.html/0841d849c23418c473ccb9183cbf41a317cb0476e44be48022ce3488@%3Cdev.fineract.apache.org%3E
- https://lists.apache.org/thread.html/37d7e820fc65a768de3e096e98382d5529a52a039f093e59357d0bc0@%3Cdev.fineract.apache.org%3E
- https://lists.apache.org/thread.html/5e6dd946635bbcc9e1f2591599ad0fab54f2dc3714196af3b17893f2@%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/96c017115069408cec5e82ce1e6293facab398011f6db7e1befbe274@%3Cdev.fineract.apache.org%3E
- https://pivotal.io/security/cve-2016-4977