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AusCERT Update AU-2005.0016 - BrightStor ARCserve/Enterprise Backup public
exploit code and increased port 6070 scanning activity
4 August 2005

        AusCERT Update Summary
        ----------------------

Product:           BrightStor ARCserve Backup r11.1 and prior
                   BrightStor Enterprise Backup 10.5 and prior
Operating System:  Windows

Ref:               AL-2005.020

AusCERT advises that remote exploit code has already been publicly released
for the BrightStor ARCserve/Enterprise Backup vulnerability described in
AusCERT AL-2005.020 "Computer Associates BrightStor ARCserve/Enterprise Backup
Agents buffer overflow vulnerability".

Increased scanning activity to TCP port 6070 is also occurring, indicating that
widespread attempted exploitation of this vulnerability has begun. [1]

AusCERT highly recommends that members using CA Brightstor backup products 
apply the security updates described in AL-2005.020 as a matter of urgency.
Additionally, AusCERT encourages users to evaluate their exposure and consider 
implementing border filtering on TCP port 6070.

[1] ISC Cooperative Cyber Threat Monitor and Alert System
    http://isc.sans.org/port_details.php?port=6070&repax=1&tarax=2&srcax=2&percent=N&days=10


AusCERT has made every effort to ensure that the information contained
in this document is accurate.  However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.

If you believe that your computer system has been compromised or attacked in 
any way, we encourage you to let us know by completing the secure National IT 
Incident Reporting Form at:

        http://www.auscert.org.au/render.html?it=3192

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

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================

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