CVE-2018-3759
private_address_check contains race condition
EPSS 0.69%
描述
The 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.
如何修補 CVE-2018-3759
要修補 CVE-2018-3759,請將受影響套件升級到下列已修補版本。
- RubyGems/private_address_check—升級至 0.5.0 或更新版本
CVE-2018-3759 正在被利用嗎?
低 — EPSS 為 0.7%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 0.5.0