National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-18076 Detail

Current Description

In strategy.rb in OmniAuth before 1.3.2, the authenticity_token value is improperly protected because POST (in addition to GET) parameters are stored in the session and become available in the environment of the callback phase.

Source:  MITRE
Description Last Modified:  01/26/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugs.debian.org/888523 Third Party Advisory
https://github.com/omniauth/omniauth/pull/867 Patch Third Party Advisory
https://github.com/omniauth/omniauth/pull/867/commits/71866c5264122e196847a3980c43051446a03e9b Patch Third Party Advisory
https://www.debian.org/security/2018/dsa-4109 Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Access Control (CWE-284)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-18076
NVD Published Date:
01/26/2018
NVD Last Modified:
02/13/2018