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CVE-2015-3900

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Date: June 24, 2015

RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record, aka a "DNS hijack attack."

Language: Ruby

Severity Score

Severity Score

Weakness Type (CWE)

Security Features

CWE-254

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privilegs Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C):
Integrity (I):
Availability (A):

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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