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[Full-disclosure] Secunia Research: eScan Products Agent Service Command Decryption Buffer Overflow

From: Secunia Research <remove-vuln_at_nospam>
Date: Wed May 23 2007 - 15:46:53 GMT
To: full-disclosure@lists.grok.org.uk


Secunia Research 23/05/2007
  • eScan Products Agent Service Command Decryption 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
  • eScan 9.0.715.1

NOTE: Other versions may also be affected.



2) Severity

Rating: Moderately critical
Impact: System compromise

        Denial of Service
Where: Local network



3) Vendor's Description of Software

"eScan is the latest offering from MicroWorld Technologies Inc. It offers a combination of features to help you fight the threat of viruses, set security policies for parental control over content accessed by your child. It guards against Internet misuse, block Spam and offensive mails and block PopUp Ads.".

Product Link:
http://www.mwti.net/products/escan/escan.asp



4) Description of Vulnerability

Secunia Research has discovered a vulnerability in various eScan products, which may be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the MicroWorld Agent service (MWAGENT.EXE) when decrypting received commands. This can be exploited to cause a stack-based buffer overflow via an overly long command sent to the service (default port 2222/tcp).

Successful exploitation may allow execution of arbitrary code with SYSTEM privileges.



5) Solution

Update to version 9.0.718.1 or later.



6) Time Table 10/05/2007 - Vendor notified. 10/05/2007 - Vendor response. 16/05/2007 - Vendor provides fixed version. 23/05/2007 - Public disclosure.
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7) Credits

Discovered by Carsten Eiram, Secunia Research.



8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2007-2687 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://corporate.secunia.com/

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/

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://corporate.secunia.com/secunia_research/33/

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

http://secunia.com/secunia_vacancies/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/secunia_security_advisories/


  1. Verification

Please verify this advisory by visiting the Secunia website: http://secunia.com/secunia_research/2007-54/

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




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