Strix
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CVE-2018-6923

UnknownEPSS 4.01%

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

EPSS Probability
4.01%

89.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FreebsdFreebsd2.2
FreebsdFreebsd3.0
FreebsdFreebsd4.3
FreebsdFreebsd4.4
FreebsdFreebsd4.5
FreebsdFreebsd4.6
FreebsdFreebsd4.7
FreebsdFreebsd4.8
FreebsdFreebsd4.9
FreebsdFreebsd4.10
FreebsdFreebsd4.11
FreebsdFreebsd5.0
FreebsdFreebsd5.1
FreebsdFreebsd5.2
FreebsdFreebsd5.3
FreebsdFreebsd5.4
FreebsdFreebsd5.5
FreebsdFreebsd6.0
FreebsdFreebsd6.1
FreebsdFreebsd6.2
FreebsdFreebsd6.3
FreebsdFreebsd6.4
FreebsdFreebsd7.0
FreebsdFreebsd7.1
FreebsdFreebsd7.2
FreebsdFreebsd7.3
FreebsdFreebsd7.4
FreebsdFreebsd8.0
FreebsdFreebsd8.1
FreebsdFreebsd8.2
FreebsdFreebsd8.3
FreebsdFreebsd8.4
FreebsdFreebsd9.0
FreebsdFreebsd9.1
FreebsdFreebsd9.2
FreebsdFreebsd9.3
FreebsdFreebsd10.0
FreebsdFreebsd11.0
FreebsdFreebsd11.1
FreebsdFreebsd11.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2018-6923?
Severity scoring for CVE-2018-6923 is pending analysis. The EPSS model estimates a 4.01% probability of exploitation in the next 30 days.
How do I fix CVE-2018-6923?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-6923?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST