private_address_check vulnerable to bypass of Resolv.getaddresses method
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.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2017-0904US | high8.1 | — | ||
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 s… | ||||
02
references
External citations — patches, advisories, analysis.
- https://edoverflow.com/2017/ruby-resolv-bugWEB
- https://github.com/jtdowney/private_address_check/commit/58a0d7fe31de339c0117160567a5b33ad82b46afWEB
- https://github.com/jtdowney/private_address_check/issues/1WEB
- https://hackerone.com/reports/287245WEB
- https://hackerone.com/reports/287835WEB
- https://nvd.nist.gov/vuln/detail/CVE-2017-0904ADVISORY
scry
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan