CVE-2017-0904

The private_address_check ruby gem before 0.4.0 is vulnerable to a bypass due to use of Ruby's Resolv.getaddresses method, which is OS-dependent and should not be relied upon for security measures, such as when used to blacklist private network addresses to prevent server-side request forgery.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
hackeroneCNA
---
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CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 74%
VendorProductVersion
private_address_check_projectprivate_address_check
𝑥
< 0.4.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://edoverflow.com/2017/ruby-resolv-bug/
https://github.com/jtdowney/private_address_check/commit/58a0d7fe31de339c0117160567a5b33ad82b46af
https://github.com/jtdowney/private_address_check/issues/1
https://hackerone.com/reports/287245
https://hackerone.com/reports/287835
https://edoverflow.com/2017/ruby-resolv-bug/
https://github.com/jtdowney/private_address_check/commit/58a0d7fe31de339c0117160567a5b33ad82b46af
https://github.com/jtdowney/private_address_check/issues/1
https://hackerone.com/reports/287245
https://hackerone.com/reports/287835