CVE-2017-7397 Denial of service in n/a
Remote attackers can cause denial of service via packet floods exploiting Martian source IP logging, though the vendor disputes the vulnerability's validity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-7397?
CVE-2017-7397 is a high-severity denial of service vulnerability in n/a, published on 3 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-400
Which versions are affected by CVE-2017-7397?
It affects 1 product.
Products include Backbox Backbox Linux.
How do I fix CVE-2017-7397?
No fix has been published for CVE-2017-7397 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2017-7397 being exploited?
There is no known exploitation of CVE-2017-7397 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-39jm-fm9j-jg9p.