CVE Vulnerability

CVE-2018-3759

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

3.7 /10

CVSS v3.0 : LOW

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/jtdowney/private_address_check/commit/4068228187db87fea7577f7020099399772bb147 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:private_address_check_project:private_address_check:*:*:*:*:*:ruby:*:*
Information

Published : 2018-06-13 03:29

Updated : 2019-10-09 11:40

NVD link : CVE-2018-3759

Mitre link : CVE-2018-3759

Products Affected
No products.
CWE
CWE-362