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Fencer Intel
high 7.5

CVE-2017-7397 in the critical feed json

BackBox Linux 4.6 allows remote attackers to cause a denial of service (ksoftirqd CPU consumption) via a flood of packets with Martian sour…

published 2017-04-03 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16422

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
11.1%
EPSS 11.1% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-41781)
  2. Published

Exploit prediction

11.07% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-41781 BackBox OS - Denial of Service dos, 2017-04-02
  • exploitalert.com http://www.exploitalert.com/view-details.html?id=26361 referenced PoC, tagged "exploit" by a source, unverified
  • cxsecurity.com https://cxsecurity.com/issue/WLB-2017040001 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.