ZyXel Prestige DSL router fragmented packet denial of service
| prestige-dsl-frag-packet-dos (7723) |  Low Risk |
Description:
ZyXel Prestige 681 series DSL routers are vulnerable to a denial of service attack. If a remote attacker sends a fragmented packet with a length of greater than 64KB after reassembly, the attacker can cause the router to crash. The device must be restarted in order to regain normal functionality.
Platforms Affected:
- BEA, WebLogic Server 5.1 Express
Remedy:
No remedy available as of August 16, 2008.
Consequences:
Denial of Service
References:
- BugTraq Mailing List, Fri Dec 14 2001 - 05:08:59 CST, Zyxel Prestige 681 and 1600 (possibly other?) remote DoS at http://archives.neohapsis.com/archives/bugtraq/2001-12/0140.html.
- BugTraq Mailing List, Tue Dec 18 2001 - 12:11:48 CST, Re: Zyxel Prestige 681 and 1600 (possibly other?) remote DoS at http://archives.neohapsis.com/archives/bugtraq/2001-12/0190.html.
- ZyXEL Communications Web site, ZyXEL at http://www.zyxel.com/.
- BID-3711: Zyxel Prestige SDSL Router IP Fragment Reassembly Vulnerability
Reported:
Dec 18, 2001
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