CVE-2017-7397

Name: CVE-2017-7397
Creator: NVD / NIST
Published: 2017-04-03T20:59:00.2+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 11.07%

Last modified Jun 17, 2026

CVE-2017-7397 is a vulnerability of currently unknown severity. BackBox Linux 4.6 allows remote attackers to cause a denial of service (ksoftirqd CPU consumption) via a flood of packets with Martian source IP addresses (as defined in RFC 1812 section 5.3.7). This product enables net.ipv4.conf.all.log_martians by default. EPSS estimates a 11.07% chance of exploitation in the next 30 days.

Description

BackBox Linux 4.6 allows remote attackers to cause a denial of service (ksoftirqd CPU consumption) via a flood of packets with Martian source IP addresses (as defined in RFC 1812 section 5.3.7). This product enables net.ipv4.conf.all.log_martians by default. NOTE: the vendor reports "It has been proved that this vulnerability has no foundation and it is totally fake and based on false assumptions.

Metrics

EPSS Probability

11.07%

95.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Backbox	Backbox Linux	4.6

References

http://www.exploitalert.com/view-details.html?id=26361Exploit, Third Party Advisory
https://backbox.org/portal/blog/false-cve-backbox-46-unmaskedVendor Advisory
https://cxsecurity.com/issue/WLB-2017040001Exploit, Third Party Advisory
https://forum.backbox.org/security-advisories/waiting-verification-backbox-os-denial-of-service/msg10218Vendor Advisory
https://www.exploit-db.com/exploits/41781/Exploit, Third Party Advisory, VDB Entry
http://www.exploitalert.com/view-details.html?id=26361Exploit, Third Party Advisory
https://backbox.org/portal/blog/false-cve-backbox-46-unmaskedVendor Advisory
https://cxsecurity.com/issue/WLB-2017040001Exploit, Third Party Advisory
https://forum.backbox.org/security-advisories/waiting-verification-backbox-os-denial-of-service/msg10218Vendor Advisory
https://www.exploit-db.com/exploits/41781/Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Apr 3, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-7397?

How severe is CVE-2017-7397?

Severity scoring for CVE-2017-7397 is pending analysis. The EPSS model estimates a 11.07% probability of exploitation in the next 30 days.

How do I fix CVE-2017-7397?

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-2017-7397?

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

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Source: NVD / NIST