NetScreen ScreenOS long username denial of service
| netscreen-screenos-username-dos (9186) |  Low Risk |
Description:
NetScreen is vulnerable to a denial of service attack. A remote attacker using an overly long username could log on to a NetScreen device to cause the device to reboot, which would cause a denial of service against legitimate users.
Platforms Affected:
- Juniper, NetScreen ScreenOS 2.10r3
- Juniper, NetScreen ScreenOS 2.10r4
- Juniper, NetScreen ScreenOS 2.5
- Juniper, NetScreen ScreenOS 2.5r1
- Juniper, NetScreen ScreenOS 2.5r2
- Juniper, NetScreen ScreenOS 2.5r6
- Juniper, NetScreen ScreenOS 2.6.1
- Juniper, NetScreen ScreenOS 2.6.1r1
- Juniper, NetScreen ScreenOS 2.6.1r2
- Juniper, NetScreen ScreenOS 2.6.1r3
- Juniper, NetScreen ScreenOS 2.6.1r4
- Juniper, NetScreen ScreenOS 2.6.1r5
- Juniper, NetScreen ScreenOS 2.7.1
- Juniper, NetScreen ScreenOS 2.7.1r1
- Juniper, NetScreen ScreenOS 2.7.1r2
- Juniper, NetScreen ScreenOS 2.7.1r3
- Juniper, NetScreen ScreenOS 2.8r1
- Juniper, NetScreen ScreenOS 3.0.0
- Juniper, NetScreen ScreenOS 3.0.0r1
- Juniper, NetScreen ScreenOS 3.0.0r2
- Juniper, NetScreen ScreenOS 3.0.0r3
- Juniper, NetScreen ScreenOS 3.0.0r4
- Juniper, NetScreen ScreenOS 3.0.1r1
Remedy:
Upgrade to the latest version of ScreenOS (3.0.1r2 or later), available from the NetScreen Web site. See References.
Consequences:
Denial of Service
References:
- BugTraq Mailing List, Mon May 27 2002 - 12:33:31 CDT, Netscreen 25 unauthorised reboot issue at http://archives.neohapsis.com/archives/bugtraq/2002-05/0231.html.
- NetScreen Web site, NetScreen - Software Updates at http://www.netscreen.com/support/updates.html.
- BID-4842: NetScreen ScreenOS Remote Reboot Vulnerability
- CVE-2002-0891: The web interface (WebUI) of NetScreen ScreenOS before 2.6.1r8, and certain 2.8.x and 3.0.x versions before 3.0.3r1, allows remote attackers to cause a denial of service (crash) via a long user name.
Reported:
May 27, 2002
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