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A  U  S  C  E  R  T                                           A  L  E  R  T

                       AL-2008.0091 -- AUSCERT ALERT
                                   [Win]
        Symantec Veritas Storage Foundation Scheduler Service NULL
                Session Authentication Bypass Vulnerability
                              15 August 2008

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        AusCERT Alert Summary
        ---------------------

Product:              Symantec Veritas Storage Foundation
Publisher:            ZDI
Operating System:     Windows
Impact:               Administrator Compromise
                      Execute Arbitrary Code/Commands
Access:               Remote/Unauthenticated

Original Bulletin:    http://www.zerodayinitiative.com/advisories/ZDI-08-053

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ZDI-08-053: Symantec Veritas Storage Foundation Scheduler Service NULL 
Session Authentication Bypass Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-08-053
August 14, 2008

- -- Affected Vendors:
Symantec

- -- Affected Products:
Symantec Veritas Storage Foundation

- -- Vulnerability Details:
This vulnerability allows an attacker to execute arbitrary code on
vulnerable installations of Symantec Veritas Storage Foundation. User
interaction is not required to exploit this vulnerability.
Authentication is not required to exploit this vulnerability.

The specific flaw exists in the functionality exposed by the Storage
Foundation for Windows Scheduler Service, VxSchedService.exe, which
listens by default on TCP port 4888. The management console allows NULL
NTLMSSP authentication thereby enabling a remote attacker to add,
modify, or delete snapshots schedules and consequently run arbitrary
code under the context of the SYSTEM user. 

- -- Vendor Response:
Symantec has issued an update to correct this vulnerability. More
details can be found at:

http://www.symantec.com/avcenter/security/Content/2008.08.14a.html

- -- Disclosure Timeline:
2008-06-26 - Vulnerability reported to vendor
2008-08-14 - Coordinated public release of advisory

- -- Credit:
This vulnerability was discovered by:
    * Tenable Network Security

- -- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents 
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

    http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
altruistic aim of helping to secure a broader user base, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

Our vulnerability disclosure policy is available online at:

    http://www.zerodayinitiative.com/advisories/disclosure_policy/

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

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