CVE-2017-7397
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 11.1% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 11.1% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 11.1% · EPSS, next 30 days
- Weakness
- CWE-400 · Uncontrolled resource consumption
- Record status
- Modified
Affected
- Backbox Linux 4.6
Attack profile CVSS 3.0 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2017-7397.md and follow it. Check whether this project is affected by CVE-2017-7397. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://backbox.org/portal/blog/false-cve-backbox-46-unmasked
- https://forum.backbox.org/security-advisories/waiting-verification-backbox-os-denial-of-service/msg10218
- https://backbox.org/portal/blog/false-cve-backbox-46-unmasked
- https://forum.backbox.org/security-advisories/waiting-verification-backbox-os-denial-of-service/msg10218
References
- http://www.exploitalert.com/view-details.html?id=26361
- https://backbox.org/portal/blog/false-cve-backbox-46-unmasked
- https://cxsecurity.com/issue/WLB-2017040001
- https://forum.backbox.org/security-advisories/waiting-verification-backbox-os-denial-of-service/msg10218
- https://www.exploit-db.com/exploits/41781/
- http://www.exploitalert.com/view-details.html?id=26361
- https://backbox.org/portal/blog/false-cve-backbox-46-unmasked
- https://cxsecurity.com/issue/WLB-2017040001
- https://forum.backbox.org/security-advisories/waiting-verification-backbox-os-denial-of-service/msg10218
- https://www.exploit-db.com/exploits/41781/