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Nmap NSE net: dns-random-txid

Information

Severity

Severity

Medium

Family

Family

Nmap NSE net

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Solution Type

Solution Type

Mitigation

Created

Created

12 years ago

Modified

Modified

5 years ago

Summary

Checks a DNS server for the predictable-TXID DNS recursion vulnerability. Predictable TXID values can make a DNS server vulnerable to cache poisoning attacks (see CVE-2008-1447). The script works by querying txidtest.dns-oarc.net (see the referenced link). Be aware that any targets against which this script is run will be sent to and potentially recorded by one or more DNS servers and the txidtest server. In addition your IP address will be sent along with the txidtest query to the DNS server running on the target.

Common Vulnerabilities and Exposures (CVE)