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Multiple Reflected Cross Site Scripting vulnerabilities in SBSPEXT_PHTMLB package

Impact On Business

By exploiting any of these vulnerabilities a remote attacker could trick users into clicking malicious links and depending on the level of protection that the browser provides, the attacker could potentially steal user sessions or other information.

Affected Components Description

  • SAP_BASIS 700 SP 39-40
  • SAP_BASIS 701 SP 24-25
  • SAP_BASIS 702 SP 24-25
  • SAP_BASIS 731 SP 28-32
  • SAP_BASIS 740 SP 25-28

Vulnerability Details

Reflected XSS vulnerabilities affect SAP NetWeaver AS ABAP (BSP Framework). More specifically they affect several classes that are part of the SBSPEXT_PHTMLB package. Additionally, multiple page attributes which are not being properly filtered, can be provided through the URL and used to successfully exploit these flaws.

Solution

SAP has released SAP Note 3269118 which provides patched versions of the affected components.

The patches can be downloaded from https://me.sap.com/notes/3269118

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

  • 11/02/2022: Onapsis reports vulnerability to SAP
  • 02/14/2023: SAP issues the patch

References

Back to Advisories

Advisory Information

  • Public Release Date: 09/18/2024
  • Security Advisory ID: ONAPSIS-2024-0033
  • Researcher(s): Gabriel Durdiak

Vulnerability Information

  • Vendor: SAP
  • Affected Components:
    • SAP NetWeaver AS ABAP (BSP Framework)
      • SAP BASIS

(Check SAP Note 3269118 for detailed information on affected releases)

  • Vulnerability Class: CWE-79: Improper Neutralization of Input During Web Page Generation (‘Cross-site Scripting’)
  • CVSS v3 score: 6.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
  • Risk Level: Medium
  • Assigned CVE: CVE-2023-24522
  • Vendor patch Information: SAP Security NOTE 3269118


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