Resource exhaustion in Backbox Linux
CVE-2017-7397
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.111 (95.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.111 · newest: 0.111 · change: 0.000
Affected products
- Backbox Linux — versions 4.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.exploitalert.com/view-details.html (Exploit, Third Party Advisory)
- backbox.org/portal/blog/false-cve-backbox-46-unmasked (Vendor Advisory)
- cxsecurity.com/issue/WLB-2017040001 (Exploit, Third Party Advisory)
- forum.backbox.org/security-advisories/waiting-verification-backbox-os-denial-of… (Vendor Advisory)
- www.exploit-db.com/exploits/41781/ (Exploit, VDB Entry, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2017-7397?
- CVE-2017-7397 is a high-severity vulnerability in Backbox Linux, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2017-04-03.
- How severe is CVE-2017-7397?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-7397 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.