CVE-2018-6923
Summary
| CVE | CVE-2018-6923 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2018-09-04 18:29:00 UTC |
| Updated | 2018-11-13 15:09:00 UTC |
| Description | In FreeBSD before 11.1-STABLE, 11.2-RELEASE-p2, 11.1-RELEASE-p13, ip fragment reassembly code is vulnerable to a denial of service due to excessive system resource consumption. This issue can allow a remote attacker who is able to send an arbitrary ip fragments to cause the machine to consume excessive resources. |
Risk And Classification
Problem Types: CWE-400
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Freebsd | Freebsd | 10.0 | All | All | All |
| Operating System | Freebsd | Freebsd | 11.0 | All | All | All |
| Operating System | Freebsd | Freebsd | 11.1 | All | All | All |
| Operating System | Freebsd | Freebsd | 11.2 | All | All | All |
| Operating System | Freebsd | Freebsd | 2.2 | All | All | All |
| Operating System | Freebsd | Freebsd | 3.0 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.10 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.11 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.3 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.4 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.5 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.6 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.7 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.8 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.9 | All | All | All |
| Operating System | Freebsd | Freebsd | 5.0 | All | All | All |
| Operating System | Freebsd | Freebsd | 5.1 | All | All | All |
| Operating System | Freebsd | Freebsd | 5.2 | All | All | All |
| Operating System | Freebsd | Freebsd | 5.3 | All | All | All |
| Operating System | Freebsd | Freebsd | 5.4 | All | All | All |
| Operating System | Freebsd | Freebsd | 5.5 | All | All | All |
| Operating System | Freebsd | Freebsd | 6.0 | All | All | All |
| Operating System | Freebsd | Freebsd | 6.1 | All | All | All |
| Operating System | Freebsd | Freebsd | 6.2 | All | All | All |
| Operating System | Freebsd | Freebsd | 6.3 | All | All | All |
| Operating System | Freebsd | Freebsd | 6.4 | All | All | All |
| Operating System | Freebsd | Freebsd | 7.0 | All | All | All |
| Operating System | Freebsd | Freebsd | 7.1 | All | All | All |
| Operating System | Freebsd | Freebsd | 7.2 | All | All | All |
| Operating System | Freebsd | Freebsd | 7.3 | All | All | All |
| Operating System | Freebsd | Freebsd | 7.4 | All | All | All |
| Operating System | Freebsd | Freebsd | 8.0 | All | All | All |
| Operating System | Freebsd | Freebsd | 8.1 | All | All | All |
| Operating System | Freebsd | Freebsd | 8.2 | All | All | All |
| Operating System | Freebsd | Freebsd | 8.3 | All | All | All |
| Operating System | Freebsd | Freebsd | 8.4 | All | All | All |
| Operating System | Freebsd | Freebsd | 9.0 | All | All | All |
| Operating System | Freebsd | Freebsd | 9.1 | All | All | All |
| Operating System | Freebsd | Freebsd | 9.2 | All | All | All |
| Operating System | Freebsd | Freebsd | 9.3 | All | All | All |
| Operating System | Freebsd | Freebsd | 10.0 | All | All | All |
| Operating System | Freebsd | Freebsd | 11.0 | All | All | All |
| Operating System | Freebsd | Freebsd | 11.1 | All | All | All |
| Operating System | Freebsd | Freebsd | 11.2 | All | All | All |
| Operating System | Freebsd | Freebsd | 2.2 | All | All | All |
| Operating System | Freebsd | Freebsd | 3.0 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.10 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.11 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.3 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.4 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.5 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.6 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.7 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.8 | All | All | All |
| Operating System | Freebsd | Freebsd | 4.9 | All | All | All |
| Operating System | Freebsd | Freebsd | 5.0 | All | All | All |
| Operating System | Freebsd | Freebsd | 5.1 | All | All | All |
| Operating System | Freebsd | Freebsd | 5.2 | All | All | All |
| Operating System | Freebsd | Freebsd | 5.3 | All | All | All |
| Operating System | Freebsd | Freebsd | 5.4 | All | All | All |
| Operating System | Freebsd | Freebsd | 5.5 | All | All | All |
| Operating System | Freebsd | Freebsd | 6.0 | All | All | All |
| Operating System | Freebsd | Freebsd | 6.1 | All | All | All |
| Operating System | Freebsd | Freebsd | 6.2 | All | All | All |
| Operating System | Freebsd | Freebsd | 6.3 | All | All | All |
| Operating System | Freebsd | Freebsd | 6.4 | All | All | All |
| Operating System | Freebsd | Freebsd | 7.0 | All | All | All |
| Operating System | Freebsd | Freebsd | 7.1 | All | All | All |
| Operating System | Freebsd | Freebsd | 7.2 | All | All | All |
| Operating System | Freebsd | Freebsd | 7.3 | All | All | All |
| Operating System | Freebsd | Freebsd | 7.4 | All | All | All |
| Operating System | Freebsd | Freebsd | 8.0 | All | All | All |
| Operating System | Freebsd | Freebsd | 8.1 | All | All | All |
| Operating System | Freebsd | Freebsd | 8.2 | All | All | All |
| Operating System | Freebsd | Freebsd | 8.3 | All | All | All |
| Operating System | Freebsd | Freebsd | 8.4 | All | All | All |
| Operating System | Freebsd | Freebsd | 9.0 | All | All | All |
| Operating System | Freebsd | Freebsd | 9.1 | All | All | All |
| Operating System | Freebsd | Freebsd | 9.2 | All | All | All |
| Operating System | Freebsd | Freebsd | 9.3 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| FreeBSD Kernel IP Fragment Reassembly Algorithm Lets Remote Users Consume Excessive Resources on the Target System - SecurityTracker | SECTRACK | www.securitytracker.com | Third Party Advisory, VDB Entry |
| FreeBSD-SA-18:10 | FREEBSD | www.freebsd.org | Mitigation, Vendor Advisory |
| FreeBSD TCP Reassembly CVE-2018-6923 Denial Of Service Vulnerability | BID | www.securityfocus.com | Third Party Advisory, VDB Entry |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.