National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

    Vulnerabilities Detail

CVE-2016-10127 Detail

Current Description

PySAML2 allows remote attackers to conduct XML external entity (XXE) attacks via a crafted SAML XML request or response.

Source:  MITRE
Description Last Modified:  03/03/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 9.0 CRITICAL
Vector: AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H (V3 legend)
Impact Score: 6.0
Exploitability Score: 2.3

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2017/01/19/5 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/95376 VDB Entry
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=850716 Mailing List Third Party Advisory
https://github.com/rohe/pysaml2/commit/6e09a25d9b4b7aa7a506853210a9a14100b8bc9b Patch
https://github.com/rohe/pysaml2/issues/366 Issue Tracking Patch
https://github.com/rohe/pysaml2/pull/379 Issue Tracking Patch

Technical Details

Vulnerability Type (View All)

  • Improper Restriction of XML External Entity Reference ('XXE') (CWE-611)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:pysaml2_project:pysaml2:-:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-10127
NVD Published Date:
03/03/2017
NVD Last Modified:
03/07/2017