Linux ipchains ping -r denial of service
|ipchains-ping-route-dos (7257)||Medium Risk|
The ipchains firewall in Linux kernel is vulnerable to a denial of service. Once the Network Address Translation (NAT) is enabled, a remote attacker less than nine hops away can send a ping -r command to cause a kernel panic on the firewall.
Denial of Service
Apply the patch for this vulnerabiity included in the BugTraq Mailing List posting dated Jul 22 1999 11:54PM. See References.
- BugTraq Mailing List, Thu, 22 Jul 1999 10:34:17 -0400: Linux +ipchains+ ping -R.
- BugTraq Mailing List, Thu, 22 Jul 1999 22:54:42 +0200: Re: ping -R causes kernel panic on a forwarding machine ( 2.2.5 a nd 2 .2.10).
- CVE-1999-1339: Vulnerability when Network Address Translation (NAT) is enabled in Linux 2.2.10 and earlier with ipchains, or FreeBSD 3.2 with ipfw, allows remote attackers to cause a denial of service (kernel panic) via a ping -R (record route) command.
- OSVDB ID: 11065: ipchains/ipfw Network Address Translation ping -R DoS
- OSVDB ID: 6105: ipchains Ping -r DoS
- Linux Kernel
Jul 22, 1999
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