VERITAS Software Security Advisory VX05-005
Details:
VX05-005
June 22, 2005
Buffer
overflow vulnerability in VERITAS Software Backup Exec Web Administration
Console (BEWAC)
Revision History
None
Risk Impact
High
Overview
The Backup Exec Web
Administration Console (BEWAC) is a Web utility option that can be installed on
a Backup Exec media server, which allows remote management of that media server.
Exploitation of a buffer overflow vulnerability in the Web Administration
Console may allow a user to execute arbitrary code.
Affected Products
Backup Exec 10.0 for Windows
Servers rev. 5484
Backup Exec 9.1 for Windows
Servers rev. 4691
Backup Exec 9.0 for Windows
Servers rev. 4454
Backup Exec 9.0 for Windows
Servers rev. 4367
Non-Affected Products
Backup Exec 10.0 for Windows
Servers rev. 5520
Details
NGSSoftware
(
http://www.ngssoftware.com/advisory.htm
) reported a buffer overflow vulnerability in VERITAS Software Backup Exec Web
Administration Console that can potentially allow a user to execute arbitrary
code. The vulnerability exists due to improper handling of specifically
configured user-provided credentials. Successful exploitation of this issue
could lead to privileged access on the targeted system.
VERITAS Software's Response
VERITAS
Engineering has verified and addressed the issue in the affected products using
the Web Administration Console. A hotfix has been developed for each of the
affected versions to address the issue. Even though VERITAS Technical Services
is unaware of any adverse customer impact from this issue, we strongly recommend
users of the affected products apply the appropriate upgrade and/or updates
immediately to safeguard against threats of this
nature.
NOTE: Customers running VERITAS Backup Exec 9.0 rev.
4367 and VERITAS Backup Exec 9.0 rev. 4454 MUST upgrade to VERITAS Backup
Exec 9.1 rev. 4691, and then apply the security rollup to resolve this
issue. This is a free upgrade for all users of VERITAS Backup Exec 9.0
rev. 4367 and VERITAS Backup Exec 9.0 rev. 4454.
If the upgrade cannot be performed within an acceptable
period due to change control or other mitigating issues, be sure to follow the
instructions in the mitigation section for instructions on disabling the Backup
Exec Web Administration Console.
VERITAS Backup Exec 9.1 rev.
4691 for Windows Servers Installation Media
VERITAS Backup Exec 9.1 rev.
4691 for Windows Servers Service Pack 4
VERITAS Backup Exec 10.0 rev.
5484 for Windows Servers Hotfix 24
or
VERITAS
Backup Exec 10.0 rev. 5484 for Windows Servers - upgrade to Backup Exec 10.0
rev. 5520
Mitigation
A. Remove the Backup Exec Web
Administration Console
1. Launch the Backup Exec
Setup from Add/Remove Programs
2. Uninstall Backup
Exec
3. Reinstall Backup Exec
without the Web Administration Console (BEWAC)
B. Rename or delete
Inc_debug.asp
CVE
A CVE candidate number will be
requested from The Common Vulnerabilities and Exposures (CVE) initiative. This
advisory will be revised as required once the CVE candidate number has been
assigned. This issue is a candidate for inclusion in the CVE list
(
http://cve.mitre.org ) which
standardizes names for security problems.
Credit
VERITAS Software appreciates the
cooperation of the NGSSoftware research team in identifying this issue and
coordinating with VERITAS Software in the resolution process.
Products Applied:
Backup Exec for Windows Servers 10.0, 10.0 5484, 9.0, 9.0 4367, 9.0 4454, 9.1, 9.1 4691
Subjects:
Backup Exec for Windows Servers
Application: Backup, Documentation, Faq, Restore, Troubleshooting
Publishing Status: Techalert
Languages:
English (US), French, German, Spanish, Italian, Japanese, Chinese, Korean
Operating Systems:
Windows 2000Advanced Server, Advanced Server Windows Powered, Datacenter Server, Professional, SAK, Server, Server Windows Powered
Windows NT
4.0 Server SP6a, 4.0 Workstation SP6a
Windows NT Small Business Server
2000, 4.5
Windows XP
Home 5.1, Pro 5.1
Windows Server 2003
DataCenter, Enterprise Server, Standard Server, Storage Server, Web Server
Windows Small Business Server 2003
Premium Edition, Standard Edition