CVE-2018-6923
Last modified
CVE-2018-6923 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.01% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Freebsd | Freebsd | 2.2 |
| Freebsd | Freebsd | 3.0 |
| Freebsd | Freebsd | 4.3 |
| Freebsd | Freebsd | 4.4 |
| Freebsd | Freebsd | 4.5 |
| Freebsd | Freebsd | 4.6 |
| Freebsd | Freebsd | 4.7 |
| Freebsd | Freebsd | 4.8 |
| Freebsd | Freebsd | 4.9 |
| Freebsd | Freebsd | 4.10 |
| Freebsd | Freebsd | 4.11 |
| Freebsd | Freebsd | 5.0 |
| Freebsd | Freebsd | 5.1 |
| Freebsd | Freebsd | 5.2 |
| Freebsd | Freebsd | 5.3 |
| Freebsd | Freebsd | 5.4 |
| Freebsd | Freebsd | 5.5 |
| Freebsd | Freebsd | 6.0 |
| Freebsd | Freebsd | 6.1 |
| Freebsd | Freebsd | 6.2 |
| Freebsd | Freebsd | 6.3 |
| Freebsd | Freebsd | 6.4 |
| Freebsd | Freebsd | 7.0 |
| Freebsd | Freebsd | 7.1 |
| Freebsd | Freebsd | 7.2 |
| Freebsd | Freebsd | 7.3 |
| Freebsd | Freebsd | 7.4 |
| Freebsd | Freebsd | 8.0 |
| Freebsd | Freebsd | 8.1 |
| Freebsd | Freebsd | 8.2 |
| Freebsd | Freebsd | 8.3 |
| Freebsd | Freebsd | 8.4 |
| Freebsd | Freebsd | 9.0 |
| Freebsd | Freebsd | 9.1 |
| Freebsd | Freebsd | 9.2 |
| Freebsd | Freebsd | 9.3 |
| Freebsd | Freebsd | 10.0 |
| Freebsd | Freebsd | 11.0 |
| Freebsd | Freebsd | 11.1 |
| Freebsd | Freebsd | 11.2 |
References
- http://www.securityfocus.com/bid/105336Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041505Third Party Advisory, VDB Entry
- https://www.freebsd.org/security/advisories/FreeBSD-SA-18:10.ip.ascMitigation, Vendor Advisory
- http://www.securityfocus.com/bid/105336Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041505Third Party Advisory, VDB Entry
- https://www.freebsd.org/security/advisories/FreeBSD-SA-18:10.ip.ascMitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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