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full-disclosure-uk: [Full-disclosure] Secunia Research: SAP GUI

[Full-disclosure] Secunia Research: SAP GUI TabOne ActiveX Control Caption List Buffer Overflow

From: Secunia Research <remove-vuln_at_nospam>
Date: Wed Jan 07 2009 - 12:52:56 GMT
To: full-disclosure@lists.grok.org.uk


Secunia Research XX/XX/200X
  • SAP GUI TabOne ActiveX Control Caption List Buffer Overflow -

Table of Contents Affected Software....................................................1 Severity.............................................................2 Vendor's Description of Software.....................................3 Description of Vulnerability.........................................4 Solution.............................................................5 Time Table...........................................................6 Credits..............................................................7 References...........................................................8 About Secunia........................................................9 Verification........................................................10
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1) Affected Software
  • SAP GUI 6.40 Patch 29
  • SAP GUI 7.10
NOTE: Other versions may also be affected.

2) Severity

Rating: Highly critical
Impact: System compromise
Where: Remote



3) Vendor's Description of Software

"SAP GUI is SAP's universal client for accessing SAP functionality in SAP applications such as - SAP ERP, SAP Business Suite (SAP CRM, SAP SCM and SAP PLM), SAP Business Intelligence and so on. SAP GUI functions like a browser. It gets information from the SAP server like what, where, when and how, to display contents in its window.".

Product Link:
https://www.sdn.sap.com/irj/sdn/sap-gui



4) Description of Vulnerability

Secunia Research has discovered a vulnerability in SAP GUI, which can be exploited by malicious people to potentially compromise a user's system.

The vulnerability is caused due to a boundary error in the included TabOne ActiveX control (sizerone.ocx) when copying tab captions. This can be exploited to cause a heap-based buffer overflow by e.g. adding multiple tabs via the "AddTab()" method.

Successful exploitation may allow execution of arbitrary code.



5) Solution

Update to the latest 7.10 PL, which sets the kill-bit for the ActiveX control.

Users can also set the kill-bit manually by following the procedure explained in SAP note 1092631.



6) Time Table 13/11/2008 - Vendor notified. 13/11/2008 - Vendor response. 05/11/2008 - Vendor provides status update and informs that a patch has been released for 7.10, which sets the kill-bit. 07/01/2009 - Public disclosure.

7) Credits

Discovered by Carsten Eiram, Secunia Research.



8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2008-4827 for the vulnerability.



9) About Secunia

Secunia offers vulnerability management solutions to corporate customers with verified and reliable vulnerability intelligence relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory database as a service to the security community and private individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

Secunia believes that it is important to support the community and to do active vulnerability research in order to aid improving the security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below to see currently vacant positions:

http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/


  1. Verification

Please verify this advisory by visiting the Secunia website: http://secunia.com/secunia_research/2008-53/

Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/




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