TCP: C2S Ambiguity Data in SYN Packet

This protocol anomaly triggers when it detects a SYN packet that carries data. Although allowed by RFC793, because different operating systems use this data differently, these packets should be dropped.

Extended Description

The impact depends on how the implementation handles this kind of anomalous packet.

Short Name
TCP:C2S:AMBIG:C2S-SYN-DATA
Severity
Critical
Recommended
False
Recommended Action
Drop Packet
Category
TCP
Keywords
CVE-2021-28319
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
3373
False Positive
Unknown

Found a potential security threat?