ZyXEL Prestige 642R "jolt" denial of service
| zyxel-jolt-dos (9655) |  Low Risk |
Description:
The ZyXEL Prestige 642R DSL router (and possibly other ZyXEL routers) are vulnerable to a denial of service attack using the "jolt" denial of service tool. A remote attacker could exploit this vulnerability by sending a single "jolt" packet to a vulnerable router to cause the router to stop responding for a short period of time.
Platforms Affected:
- ZyXEL, Prestige 342R
- ZyXEL, ZyNOS 2.5(FA.1) and prior
Remedy:
No remedy available as of October 4, 2008.
Consequences:
Denial of Service
References:
- VulnWatch Mailing List, Wed Jul 24 2002 - 05:37:28 CDT , Denial of Service in ZyXEL prestige 642R w/ZyNOS v2.50(FA.1) at http://archives.neohapsis.com/archives/vulnwatch/2002-q3/0036.html. (From Neohapsis archive)
- BID-5292: Zyxel Prestige 642R Router Malformed IP Packet Denial Of Service Vulnerability
- CVE-2002-1072: ZyXEL Prestige 642R 2.50(FA.1) and Prestige 310 V3.25(M.01), allows remote attackers to cause a denial of service via an oversized, fragmented jolt style ICMP packet.
Reported:
Jul 24, 2002
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
Copyright (c) 1994-2008 Internet Security Systems, Inc. All rights reserved worldwide.
For corrections or additions please email xforce@iss.net