Vulnerability CVE-2017-0909
Published: 2017-11-16   Modified: 2017-11-17

Description:
The private_address_check ruby gem before 0.4.1 is vulnerable to a bypass due to an incomplete blacklist of common private/local network addresses used to prevent server-side request forgery.

Type:

CWE-noinfo

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Private address check project -> Private address check 

 References:
https://github.com/jtdowney/private_address_check/pull/3
https://hackerone.com/reports/288950
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