DNS: Pointer Loop
This protocol anomaly is a DNS message with a set of DNS pointers that form a loop. This may indicate a denial-of-service (DoS) attempt. This entry may also trigger on non-DNS traffic transiting port 53, such as Peer to Peer, Chat, Trojan Horse Backdoors or other illicit traffic.
Extended Description
A DNS packet with a pointer loop is a protocol anomaly which some programs may not handle gracefully.
Short Name
DNS:EXPLOIT:POINTER-LOOP
Severity
Major
Recommended
False
Recommended Action
Drop
Category
DNS
Keywords
CVE-2017-2909 CVE-2018-20103 bid:106280
Release Date
08/27/2003
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3324
False Positive
Rarely
CVSS Score
5.0