SAP Security Note
High priority
SAP security note 1723447, “Unauthorized modification of displayed content in WEBCUIF”, released on 12.09.2012. Below are the symptom, SAP recommended solution and the affected software components.
Description
Symptom
An attacker can abuse WEBCUIF to modify displayed application content without authorization and potentially obtain authentication information from other legitimate users.
Solution
Implement the attached correction instructions to mitigate the XSS vulnerability.
Reason and prerequisites
The class CL_THTMLB_FORM within WEBCUIF does not sufficiently encode input URL parameters, leading to a reflected cross-site scripting vulnerability. This can be exploited to deface or modify web content temporarily or steal user authentication information.
Affected components
- CRMUIF: Versions 520, 600
- WEBCUIF: Versions 700, 701, 730, 731, 746
Full note on SAP: SAP Support Launchpad note 1723447
Detailed exploitation and proof-of-concept material for this note is maintained in the RedRays Security Platform. For access, contact [email protected].