Detections
Analytics
CVE-2018-3759
low
Description
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.
References
https://github.com/jtdowney/private_address_check/commit/4068228187db87fea7577f7020099399772bb147