CVE-2018-3759

Summary

CVECVE-2018-3759
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-06-13 15:29:00 UTC
Updated2019-10-09 23:40:00 UTC
Descriptionprivate_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.

Risk And Classification

Problem Types: CWE-362

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Private Address Check Project Private Address Check All All All All
Application Private Address Check Project Private Address Check All All All All

References

ReferenceSourceLinkTags
Fix TOCTOU bug · jtdowney/private_address_check@4068228 · GitHub MISC github.com Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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