Vulnerabilities
Misconfiguration
Runtime Security
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CVE Vulnerabilities

CVE-2019-0305

Improper Restriction of Rendered UI Layers or Frames

Published: Jun 12, 2019 | Modified: Jul 21, 2021
CVSS 3.x
4.3
MEDIUM
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2019-0305
CWEhttps://cwe.mitre.org/data/definitions/1021.html

Java Server Pages (JSPs) provided by the SAP NetWeaver Process Integration (SAP_XIESR and SAP_XITOOL: 7.10 to 7.11, 7.20, 7.30, 7.31, 7.40, 7.50) do not restrict or incorrectly restrict frame objects or UI layers that belong to another application or domain, resulting in Clickjacking vulnerability. Successful exploitation of this vulnerability leads to unwanted modification of users data.

Weakness

The web application does not restrict or incorrectly restricts frame objects or UI layers that belong to another application or domain, which can lead to user confusion about which interface the user is interacting with.

Affected Software

Name Vendor Start Version End Version
Netweaver_process_integration Sap 7.10 (including) 7.10 (including)
Netweaver_process_integration Sap 7.11 (including) 7.11 (including)
Netweaver_process_integration Sap 7.20 (including) 7.20 (including)
Netweaver_process_integration Sap 7.30 (including) 7.30 (including)
Netweaver_process_integration Sap 7.31 (including) 7.31 (including)
Netweaver_process_integration Sap 7.40 (including) 7.40 (including)
Netweaver_process_integration Sap 7.50 (including) 7.50 (including)

Potential Mitigations

  • The use of X-Frame-Options allows developers of web content to restrict the usage of their application within the form of overlays, frames, or iFrames. The developer can indicate from which domains can frame the content.
  • The concept of X-Frame-Options is well documented, but implementation of this protection mechanism is in development to cover gaps. There is a need for allowing frames from multiple domains.
  • A developer can use a “frame-breaker” script in each page that should not be framed. This is very helpful for legacy browsers that do not support X-Frame-Options security feature previously mentioned.
  • It is also important to note that this tactic has been circumvented or bypassed. Improper usage of frames can persist in the web application through nested frames. The “frame-breaking” script does not intuitively account for multiple nested frames that can be presented to the user.

References

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