Signature Detail
Short Name |
DNS:OVERFLOW:NAME-TOO-LONG |
|---|---|
Severity |
Critical |
Recommended |
No |
Recommended Action |
Drop Packet |
Category |
DNS |
Release Date |
2003/04/22 |
Update Number |
1213 |
Supported Platforms |
idp-4.0+, isg-3.0+, j-series-9.5+, mx-9.4+, srx-9.2+, srx-branch-9.4+, vsrx-12.1+ |
DNS: Name Too Long Buffer Overflow
This protocol anomaly is a DNS name that exceeds 255 characters. This can cause problems for some DNS servers.
Extended Description
Any DNS datagram that contains a domain name exceeding 255 bytes in length constitutes a protocol anomaly. This condition could indicate a network configuration error, or that an attempt to inject malformed DNS datagrams into the network is being committed.
References
- BugTraq: 2302
- CVE: CVE-2015-0235
- CVE: CVE-2001-0012
- URL: http://www.ietf.org/rfc/rfc1035.txt
- URL: http://www.freesoft.org/CIE/RFC/1035/9.htm