SAP released monthly critical patch update for September 2011. This patch update closes about 70 vulnerabilities in SAP products. 17 of those vulnerabilities were found by different experts. Traditionnaly ERPScan researchers Alexander Polyakov, Alexey Tuyrin and Evgeniy Neyolov who found 3 vulnerabilities are among them.

SAP traditionally sent acknowledgements for found vulnerabilities to security researchers from ERPScan on their acknowledgement page.

Detailed list of corrected vulnerabilities is below:

  • The most critical vulnerability is bypassing authentication and authorization mechanisms in one of the WEB applications. Update is available is SAP Security Note 1567389. Criticality according to CVSS is 6.4.
  • XSS vulnerability. Update is available in SAP Security Note 1591749. Criticality according to CVSS is 4.3.
  • SMBrelay vulnerability in one of reports. Update is available in SAP Security Note 1591146. Criticality according to CVSS is 3.4.

It is highly recommended to patch all those issues to prevent business risks. Solutions for those issues are available in SAP Security Notes: 1567389, 1591749, 1591146 Advisories for those issues with technical details will be available in 3 months on Exploits will be available soon in ERPScan Security Scanner – innovative SAP vulnerability assessment solution and ERPScan SaaS.