Vulnerability Details : CVE-2018-6923

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.
Published 2018-09-04 18:29:01
Updated 2018-11-13 15:09:04
Source FreeBSD
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2018-6923

Threat overview for CVE-2018-6923

Top countries where our scanners detected CVE-2018-6923
Top open port discovered on systems with this issue 55000
IPs affected by CVE-2018-6923 5,446
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2018-6923!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2018-6923

EPSS FAQ
0.37%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-6923

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.8
 HIGH AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
 NIST
7.5
 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 NIST

CWE ids for CVE-2018-6923

  • The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-6923

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