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Vahagn Vardanian

Co-founder and CTO of RedRays

Unauthorized modification of displayed content in XMII, SAP security note 1510149

SAP Note 1510149

SAP security note 1510149, “Unauthorized modification of displayed content in XMII”, is a note. Below is the security information published by SAP for this note.

Description

Symptom

The XMII 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.

Reason and prerequisites

Pages within the XMII do not sufficiently encode INPUT parameters, resulting in a reflected cross site scripting issue. A reflected cross site scripting attack can be used to non-permanently deface or modify displayed content from a web site.

Reflected cross site scripting can be used to steal another user's authentication information such as data relating to their current session. An attacker who gains access to this data may use this to impersonate the user and access all information with the same rights as the target user. In case of an administrator being impersonated, a full compromise of the application's security can occur.

Solution

The solution is implemented in XMII 12.1 SP8. Please upgrade to XMII 12.1 SP08 for the fix.

## Actions

For more details, visit SAP Support.

*Credits to Redrays.io for support in providing this information.*

Full note on SAP: SAP Support Launchpad note 1510149

Detailed exploitation and proof-of-concept material for this note is maintained in the RedRays Security Platform. For access, contact [email protected].

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