Date: 13 August 2005
References: AL-2005.0021 AU-2005.0017
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A U S C E R T A L E R T
AL-2005.0023 -- AUSCERT ALERT
Veritas confirms Backup Exec authentication vulnerability
13 August 2005
AusCERT Alert Summary
Product: Backup Exec for Windows Servers 10.0 and prior
Backup Exec for NetWare Servers 9.1 and prior
Backup Exec Remote Agent for Windows Servers
Backup Exec Remote Agent for Linux and Unix Servers
Backup Exec Remote Agent for NetWare
Operating System: Windows
Impact: Read-only Data Access
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VERITAS and Symantec have now confirmed the Backup Exec Remote Agent
authentication vulnerability described in AL-2005.0021, allowing
remote file access. 
The vulnerable components are:
o Backup Exec Remote Agent for Windows Servers (RAWS)
o Backup Exec Remote Agent for Linux and Unix Servers (RALUS)
o Backup Exec Remote Agent for NetWare (RANW)
o Backup Exec media servers
The vulnerability affects Backup Exec for Windows Servers versions
8.6, 9.0, 9.1 and 10.0 as well as Backup Exec for NetWare Servers
prior to version 9.1.1158.3
A remote attacker can download arbitrary files from the computers
where the Remote Agent is installed.
In many cases the information downloaded may then be used to take
complete control of the computer.
AusCERT advises that exploit code targeting the vulnerability has
been publicly released, and it has been reported that this
vulnerability is now being exploited in the wild.
No patch is yet available for Backup Exec for Windows Servers.
System administrators are advised to monitor the page referenced
below for the availability of a patch. 
A patch for Backup Exec for NetWare Servers is now available from
the VERITAS website. 
AusCERT encourages administrators to evaluate their exposure and
strongly consider implementing network and host filtering for TCP
Administrators may also wish to implement intrusion detection rules
to detect attempts to exploit this vulnerability .
 VERITAS Backup Exec for Windows Servers Security Advisory 278434
 VERITAS Backup Exec for NetWare Servers Security Advisory 278431
 Symantec Security Advisory
 SANS Internet Storm Centre
 FrSIRT Advisory
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