VERITAS Backup Exec for NetWare Servers Security Advisory: Unauthorized downloading of arbitrary files
Details:
This issue
affects the following versions of Backup Exec for NetWare Servers along with the
respective Remote Agent for NetWare Servers (RANW) and Remote Agent for Windows
Servers (RAWS):
- Backup
Exec (tm) 9.0 for NetWare Servers
- Backup
Exec (tm) 9.1 for NetWare
Servers
What is
affected?
Backup Exec 9.0
and 9.1 for NetWare Servers is susceptible to a vulnerability that may allow an
unauthorized remote attacker to download arbitrary files. A metasploit framework
exploit is available and there are reports of this vulnerability currently being
exploited in the wild. Backup Exec media servers as well as machines using the
Remote Agent for NetWare (RANW) or Remote Agent for Windows Servers (RAWS) are
susceptible to this vulnerability.
Note: The risk
for this issue can be substantially mitigated if port 10000 is not available
outside of the perimeter network.
Formal
Resolution:
The
issue has been resolved in:
Backup
Exec 9.1.1158.3 for Netware Servers
English
Only Installation File:
English/French/German
Installation file:
Note:
Those with Backup Exec 9.0 for NetWare Servers will need to either upgrade to
version 9.1 or higher, or rely on the workarounds provided in this article.
Workaround
Information:
To prevent this
issue until a fix can be obtained, perform any of the following:
- Block
external access at the network boundary, unless service is required by external
parties
- Block
external access to the service (TCP port 10000) at the network perimeter. Permit
access for trusted or internal computers and networks only
- Deploy
network intrusion detection systems to monitor network traffic for malicious
activity
- Deploy
network intrusion detection systems to monitor network traffic for signs of
anomalous or suspicious activity. This may aid in detection of attacks or
malicious activity related to exploitation of latent
vulnerabilities.
Symantec
strongly recommends the following best practices:
1. Check back
with this TechNote frequently as any changes to and fixes for this issues will
be reflected here. This document will be updated as more information and the
resolution become available. It may be necessary to refresh the Web browser
interface during subsequent visits to the web page to view the latest version
and information.
2. Always
perform a Full backup prior to and after any changes to your
environment
3. Always make
sure that your environment is running the latest version and patch
level
If you have any
questions or concerns about this issue, please contact Symantec Technical
Support
Products Applied:
Backup Exec for NetWare 9.0, 9.1
Subjects:
Backup Exec for NetWare
Application: Agent Support, Configuration, Security
Publishing Status: Techalert
Remote Agent: Troubleshoot
Remote Agent For Windows Servers: Troubleshoot
Languages:
English (US), French, German
Operating Systems:
NetWare4.2, 5.0, 5.1, 6.0, 6.5