DHCP: Invalid Magic Cookie Error
This protocol anomaly is a DHCP message with an invalid magic cookie. RFC-2131 specifies that all DHCP messages should have a magic cookie of 0x63825363 to distinguish between BOOTP and DHCP messages.
Extended Description
A UDP packet containing a magic cookie with numbers not corresponding to the DHCP specifications constitutes a protocol anomaly. Detection of this anomaly could indicate a software misconfiguration, or that an attacker is attempting to inject malformed packets into the network.
Short Name
DHCP:ERROR:INV-MAGIC-COOKIE
Severity
Major
Recommended
False
Recommended Action
None
Category
DHCP
Keywords
CVE-2004-0899 Cookie Error Invalid Magic bid:11920
Release Date
04/22/2003
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
Unknown
CVSS Score
5.0