Incomplete Model of Endpoint Features Affecting suricata package, versions [,7.0.8)
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- published7 Jan 2025
- disclosed6 Jan 2025
- creditTeam Superflat
Introduced: 6 Jan 2025
NewCVE-2024-55629 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade suricata to version 7.0.8 or higher.
Overview
Affected versions of this package are vulnerable to Incomplete Model of Endpoint Features due to improper handling of TCP urgent data. An attacker can bypass detection mechanisms by manipulating TCP streams with urgent flags set.
Workaround
In IPS mode, you can use a rule such as drop tcp any any -> any any (sid:1; tcp.flags:U*;) to drop all the packets with urgent flag set.