SAP Enterprise Portal with EP-RUNTIME component versions 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, and 7.50 suffer from a NavigationReporter cross site scripting vulnerability.
b9f0e23caf91ce662cbeeeb79f323d84# Onapsis Security Advisory 2021-0021: SAP Enterprise Portal - XSS
NavigationReporter
## Impact on Business
Impact depends on the victim's privileges. In the worst case, a successful
attack
would allow attacker to hijack administrator session and perform actions
like
exfiltrate data, change data or shutdown the Portal.
## Advisory Information
- Public Release Date: 01/26/2022
- Security Advisory ID: ONAPSIS-2021-0021
- Researcher(s): Yvan Genuer
## Vulnerability Information
- Vendor: SAP
- Affected Components:
- EP-RUNTIME 7.10
- EP-RUNTIME 7.11
- EP-RUNTIME 7.20
- EP-RUNTIME 7.30
- EP-RUNTIME 7.31
- EP-RUNTIME 7.40
- EP-RUNTIME 7.50
(Check SAP Note 3059764 for detailed information on affected releases)
- Vulnerability Class: CWE-79
- CVSS v3 score: 8.3 AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
- Risk Level: High
- Assigned CVE: CVE-2021-33702
- Vendor patch Information: SAP Security NOTE 3059764
## Affected Components Description
SAP Enterprise Portal is a web frontend component for SAP Netweaver.
## Vulnerability Details
The SAP Portal servlet ```com.sap.tc~ep~nav~reporter.NavigationReporter```
do
not sufficiently sanitize the input url stored during portal navigation,
allowing javascript to be injected in the web page.
The attacker could craft a malicious link that would force the victim to
store
the javascript in the portal. Then victim must navigate to the vulnerable
servlet
to trigger the injected script.
## Solution
SAP has released SAP Note 3059764 which provides patched versions of the
affected components.
The patches can be downloaded from
https://launchpad.support.sap.com/#/notes/3059764.
Onapsis strongly recommends SAP customers to download the related
security fixes and apply them to the affected components in order to
reduce business risks.
## Report Timeline
- 04/28/2021: Onapsis sends details to SAP
- 04/28/2021: SAP provides internal ID
- 08/10/2021: SAP releases SAP Note fixing the issue.
## References
- Onapsis blogpost:
https://www.onapsis.com/blog/sap-security-patch-day-august-2021
- CVE Mitre:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33702
- Vendor Patch:
https://launchpad.support.sap.com/#/notes/3059764
## About Onapsis Research Labs
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issues that impact business-critical systems and applications.
Delivering frequent and timely security and compliance advisories with
associated risk levels, Onapsis Research Labs combine in-depth knowledge
and experience to deliver technical and business-context with sound
security judgment to the broader information security community.
Find all reported vulnerabilities at
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## About Onapsis, Inc.
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## License
This advisory is licensed under a [Creative Commons 4.0 BY-ND International
License](https://creativecommons.org/licenses/by-nd/4.0/legalcode)
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