What is the CVSS score of CVE-2018-3759?

CVE-2018-3759 has a CVSS 3.0 base score of 3.7 (Low). CVSS vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.7%.

Is there a patch available for CVE-2018-3759?

Yes, a patch is available for CVE-2018-3759. Update the affected software to the latest version immediately.

Private Address Check CVE-2018-3759

LOW

Race Condition (CWE-362)

2018-06-13 support@hackerone.com

Race Condition Information Disclosure Private Address Check

3.7

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

3.7 LOW

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Jun 13, 2018 - 15:29 nvd

LOW 3.7

DescriptionNVD

private_address_check ruby gem before 0.5.0 is vulnerable to a time-of-check time-of-use (TOCTOU) race condition due to the address the socket uses not being checked. DNS entries with a TTL of 0 can trigger this case where the initial resolution is a public address but the subsequent resolution is a private address.

AnalysisAI

private_address_check ruby gem before 0.5.0 is vulnerable to a time-of-check time-of-use (TOCTOU) race condition due to the address the socket uses not being checked. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required.

Technical ContextAI

This vulnerability is classified under CWE-362. private_address_check ruby gem before 0.5.0 is vulnerable to a time-of-check time-of-use (TOCTOU) race condition due to the address the socket uses not being checked. DNS entries with a TTL of 0 can trigger this case where the initial resolution is a public address but the subsequent resolution is a private address. Affected products include: Private Address Check Project Private Address Check. Version information: before 0.5.0.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.