CVE-2023-29189 : Exploit Details and Defense Strategies
Discover details of CVE-2023-29189, a vulnerability in SAP CRM (WebClient UI) versions S4FND 102-107, WEBCUIF 700-801 allowing attackers to modify HTTP verbs, potentially leading to exposure of form fields.
A detailed analysis of a HTTP Verb Tampering vulnerability in SAP CRM (WebClient UI).
Understanding CVE-2023-29189
This CVE involves versions S4FND 102, 103, 104, 105, 106, 107, WEBCUIF, 700, 701, 731, 730, 746, 747, 748, 800, 801 of SAP CRM (WebClient UI) allowing attackers to modify HTTP verbs in requests.
What is CVE-2023-29189?
The vulnerability in SAP CRM (WebClient UI) enables authenticated attackers to change HTTP verbs used in requests to the web server, potentially exposing form fields.
The Impact of CVE-2023-29189
Successful exploitation can result in exposure of form fields, affecting confidentiality and integrity with a CVSS base score of 5.4 (Medium severity).
Technical Details of CVE-2023-29189
This vulnerability has a CVSSv3.1 base score of 5.4 classified as Medium severity. The attack complexity is LOW, and it requires low privileges and no user interaction. The vulnerability is related to CWE-23: Relative Path Traversal.
Vulnerability Description
The flaw allows an attacker to alter HTTP verbs in requests to the SAP CRM (WebClient UI) application.
Affected Systems and Versions
Versions S4FND 102, 103, 104, 105, 106, 107, WEBCUIF 700, 701, 731, 730, 746, 747, 748, 800, 801 are impacted by this vulnerability.
Exploitation Mechanism
An authenticated attacker can modify HTTP verbs used in requests to the vulnerable SAP CRM (WebClient UI) application.
Mitigation and Prevention
Organizations should take immediate steps to secure their systems and implement long-term security practices to mitigate this vulnerability.
Immediate Steps to Take
Ensure all SAP CRM (WebClient UI) systems are updated with the latest patches and configurations to prevent HTTP verb tampering attacks.
Long-Term Security Practices
Regularly monitor and update systems, conduct security audits, and educate users on best security practices to prevent future vulnerabilities.
Patching and Updates
Apply the necessary patches provided by SAP to address this HTTP Verb Tampering vulnerability in SAP CRM (WebClient UI).