CVE-2017-7397

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 21.80% Top 5%
Vendor Advisory backbox.org Vendor Advisory backbox.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.exploitalert.com/view-details.html?id=26361 third party advisory exploit
https://backbox.org/portal/blog/false-cve-backbox-46-unmasked vendor advisory
https://cxsecurity.com/issue/WLB-2017040001 third party advisory exploit
https://forum.backbox.org/security-advisories/waiting-verification-backbox-os-denial-of-service/msg10218 vendor advisory
https://www.exploit-db.com/exploits/41781/ exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-7397?
CVE-2017-7397 has been scored as a high severity vulnerability.
How to fix CVE-2017-7397?
To fix CVE-2017-7397, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7397 being actively exploited in the wild?
It is possible that CVE-2017-7397 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~22% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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