Unauthorized modification in CRM-MKT-MPL-CA-MOD, SAP security note 1689963

SAP security note 1689963, "Unauthorized modification in CRM-MKT-MPL-CA-MOD", is a program error note released on 08.05.2012. Below are the symptom and SAP recommended solution.

Description

Symptom

CRM-MKT-MPL-CA-MOD can be abused by a malicious user, allowing them to modify displayed application content without authorization, and to potentially obtain authentication information from other legitimate users.

Solution

Please apply this note or import the changes via the relevant support package.

Due to the huge number of corrections in this note, it would be safer to upgrade to the relevant support package rather than implementing it.

Reason and prerequisites

ABORT_PAGE.HTM, ABORT_PAGE_LAUNCHER.HTM, ABOUT_APPLET.HTM, APPLET_HELPER_VIEW.HTM, APPLICATION_LOG_VIEW.HTM, BADIAPPL_VIEW.HTM, BADICHECK_VIEW.HTM, BADIFCT_VIEW.HTM, BADIFIELD_VIEW.HTM, BADIVALCOMP_VIEW.HTM, BADI_VIEW.HTM, CA_PORTAL_EXIT.HTM, CA_SESSION.HTM, CA_SESSION_LAUNCHER.HTM, CONFIRM_DELETION_VIEW.HTM, CONFIRM_START_VIEW.HTM, CONSTRAINTS_VIEW.HTM, DATE_NAVIGATION_VIEW.HTM, DETAILS_BE_VIEW.HTM, DETAILS_BLANK_VIEW.HTM, DETAILS_CE_VIEW.HTM, DETAILS_CO_VIEW.HTM, DETAILS_INTERFACE.HTM, DETAILS_OE_VIEW.HTM, DETAILS_ST_VIEW.HTM, ERRORPAGE.HTM, INSTRUCTIONS_VIEW.HTM, MESSAGE_LONGTEXT.HTM, NAVIGATION_VIEW.HTM, PERS_VIEW.HTM, PROCESS_VIEW.HTM, SAVE_AND_CHANGE_VIEW.HTM, START.HTM, SURVEY_F4_HELP_VIEW.HTM, SVY_WARNING_VIEW.HTM, TEMPLATES_VIEW.HTM, UDCT_F4_HELP_VIEW.HTM within the component CRM-MKT-MPL-CA-MOD do not sufficiently encode OUTPUT parameters, resulting in a cross-site scripting issue. A cross-site scripting attack can be used to non-permanently deface or modify displayed content from a Web site.

Cross-site scripting can be used to steal another user's authentication information, such as data relating to their current session. A malicious user who gains access to this data may use it to impersonate the user and access all information with the same rights as the target user. If an administrator is impersonated, the security of the application may be fully compromised.