{ "CVE_data_meta": { "ASSIGNER": "support@hackerone.com", "DATE_PUBLIC": "2018-05-03T00:00:00", "ID": "CVE-2018-3759", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "private_address_check ruby gem", "version": { "version_data": [ { "version_value": "0.5.0" } ] } } ] }, "vendor_name": "HackerOne" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "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." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CWE-362)" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/jtdowney/private_address_check/commit/4068228187db87fea7577f7020099399772bb147", "refsource": "MISC", "url": "https://github.com/jtdowney/private_address_check/commit/4068228187db87fea7577f7020099399772bb147" } ] } }