Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 40.0%
CVSS Severity
CVSS v3 Score 3.7
CVSS v2 Score 4.3
Products affected by CVE-2018-3759
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cpe:2.3:a:private_address_check_project:private_address_check:0.1.0
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cpe:2.3:a:private_address_check_project:private_address_check:0.2.0
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cpe:2.3:a:private_address_check_project:private_address_check:0.3.0
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cpe:2.3:a:private_address_check_project:private_address_check:0.4.0
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cpe:2.3:a:private_address_check_project:private_address_check:0.4.1