SAP Internet Transaction Server wgate.dll cross-site scripting

sap-internettransactionserver-wgate-xss (42281) The risk level is classified as MediumMedium Risk

Description:

SAP Internet Transaction Server is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by wgate.dll. A remote attacker could exploit this vulnerability using the ~service parameter or Javascript splicing in a specially-crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 3.7
  Exploitability: High
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Refer to SAP note 1052053 for patch, upgrade or suggested workaround information. See References.

References:

  • Portcullis Security Advisory 07_010: Re-introduction of Cross-site Scripting/Cookie Theft Vulnerability.
  • SAP Web site: SAP.
  • BID-29103: SAP Internet Transaction Server Multiple Cross-Site Scripting Vulnerabilities
  • CVE-2008-2123: Cross-site scripting (XSS) vulnerability in WGate in SAP Internet Transaction Server (ITS) 6.20 allows remote attackers to inject arbitrary web script or HTML via (1) a <> sequence in the ~service parameter to wgate.dll, or (2) Javascript splicing in the query string, a different vector than CVE-2006-5114.
  • SA30128: SAP Internet Transaction Server wgate.dll Cross-Site Scripting Vulnerability
  • SECTRACK ID: 1019998: SAP Internet Transaction Server 'wgate.dll' Input Validation Hole Permits Cross-Site Scripting Attacks

Platforms Affected:

  • SAP Internet Transaction Server 6200.1017.50954.0, Build 730827

Reported:

May 08, 2008

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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