What is the CVSS score of CVE-2017-7397?

CVE-2017-7397 has a CVSS 3.0 base score of 7.5 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 19.9%.

Is there a public PoC exploit available for CVE-2017-7397?

Yes, a public proof-of-concept exploit is available for CVE-2017-7397. Prioritise patching immediately. EPSS: 19.9%.

Backbox Linux CVE-2017-7397

HIGH

Uncontrolled Resource Consumption (CWE-400)

2017-04-03 cve@mitre.org

Denial Of Service Backbox Linux

7.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Apr 03, 2017 - 20:59 cve.org

HIGH 7.5

DescriptionCVE.org

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.

AnalysisAI

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). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 19.9%.

Technical ContextAI

This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. 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. Affected products include: Backbox Backbox Linux.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.