ZyXel Prestige DSL router packet length denial of service
| prestige-dsl-packet-length-dos (7704) |  Low Risk |
Description:
ZyXel Prestige 1600 and 681 series DSL routers are vulnerable to a denial of service attack. If a remote attacker sends a malformed packet containing an IP length that is shorter than the actual packet size from a DSL interface, the router would become unresponsive for a short period of time.
Platforms Affected:
- BEA, WebLogic Server 5.1 Express
- ZyXEL, Prestige 1600
Remedy:
No remedy available as of June 27, 2009.
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-3695: Zyxel Prestige SDSL Router IP Packet Length Remote Denial Of Service Vulnerability
- CVE-2001-1194: Zyxel Prestige 681 and 1600 SDSL Routers allow remote attackers to cause a denial of service via malformed packets with (1) an IP length less than actual packet size, or (2) fragmented packets whose size exceeds 64 kilobytes after reassembly.
Reported:
Dec 14, 2001
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