CVE-2018-3759

Summary

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 Software

VendorProductVersion RangeStatus
HackerOneprivate_address_check ruby gem0.5.0affected

Weaknesses

  • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CWE-362)

ADP Enrichment

CVE Program Container

Additional References

References