Hewlett Packard AdvanceStack Switch Managment Authentication Bypass Vulnerability

["Tamer Sahin" <ts () securityoffice net>]

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Hewlett Packard AdvanceStack Switch Managment Authentication Bypass
Vulnerability

Type:
Access Validation Error

Release Date:
February 8, 2002

Product / Vendor:
HP AdvanceStack 10Base-T Switching Hubs combine economical 10Base-T
functionality with the performance of switching. Each switching hub
starts out as a simple, single-segment, shared 10Base-T hub.

http://www.hp.com

Summary:
A problem with the HP switch allows some users to change
configuration of the switch. A bug introduced in the HP AdvanceStack
J3210A that could allow users full access on the switch. Upon taking
advantage of this vulnerability, the user could change the
configuration of the switch and could change admin password.

Therefore, it is possible for a superuser password changing with
unprivileged access on the switch to gain elevated privileges, and
potentially change configuration of the switch.

Exploit:
An attacker can get unauthorized access to the switch read/write
password change page this page http://host/security/web_access.html
and change superuser password. Connect superuser privileged via Web
or Telnet.

Tested:
HP J3210A AdvanceStack

Vulnerable:
HP J3210A AdvanceStack

Disclaimer:
http://www.securityoffice.net is not responsible for the misuse or
illegal use of any of the information and/or the software listed on
this security advisory.

Author:
Tamer Sahin
ts () securityoffice net
http://www.securityoffice.net

Tamer Sahin
http://www.securityoffice.net
PGP Key ID: 0x2B5EDCB0

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