9.8
CRITICAL
CVE-2017-11427
OneLogin SAML XML Canonicalization Attack
Description

OneLogin PythonSAML 2.3.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers.

INFO

Published Date :

April 17, 2019, 2:29 p.m.

Last Modified :

Oct. 9, 2019, 11:22 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2017-11427 has a 12 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2017-11427 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Onelogin pythonsaml
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-11427.

URL Resource
https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations Exploit Technical Description Third Party Advisory
https://www.kb.cert.org/vuls/id/475445 US Government Resource Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Makefile Python

Updated: 1 year, 4 months ago
1 stars 1 fork 1 watcher
Born at : July 3, 2023, 7:25 p.m. This repo has been linked 1 different CVEs too.

None

Python Dockerfile PHP Shell HTML

Updated: 1 year, 8 months ago
0 stars 0 fork 0 watcher
Born at : March 1, 2023, 2:23 p.m. This repo has been linked 1 different CVEs too.

None

Makefile Python HTML CSS Jinja

Updated: 5 months, 3 weeks ago
0 stars 2 fork 2 watcher
Born at : Nov. 29, 2022, 11:03 p.m. This repo has been linked 1 different CVEs too.

None

Python Dockerfile PHP Shell HTML

Updated: 2 years, 6 months ago
0 stars 0 fork 0 watcher
Born at : April 22, 2022, 6 p.m. This repo has been linked 1 different CVEs too.

Packaging for python3-saml

Python HTML CSS Jinja

Updated: 2 years, 5 months ago
0 stars 0 fork 0 watcher
Born at : June 10, 2021, 1:15 p.m. This repo has been linked 1 different CVEs too.

None

Python HTML CSS Shell PowerShell JavaScript C C++ Objective-C XSLT

Updated: 4 years, 11 months ago
0 stars 0 fork 0 watcher
Born at : Nov. 29, 2019, 2:50 a.m. This repo has been linked 1 different CVEs too.

Test authentification OneLogin with saml-python toolkit

Python HTML Shell CSS JavaScript C C++ Objective-C XSLT

Updated: 6 years, 3 months ago
0 stars 0 fork 0 watcher
Born at : Aug. 2, 2018, 12:32 p.m. This repo has been linked 1 different CVEs too.

None

Python HTML CSS

Updated: 6 years, 4 months ago
0 stars 0 fork 0 watcher
Born at : June 28, 2018, 12:54 p.m. This repo has been linked 1 different CVEs too.

Vulnerable SAML infrastructure training applicaiton

PHP Shell Python HTML Dockerfile

Updated: 3 months, 3 weeks ago
46 stars 16 fork 16 watcher
Born at : March 20, 2018, 2:14 p.m. This repo has been linked 1 different CVEs too.

The Demo for CVE-2017-11427

Shell Python HTML CSS C C++ Objective-C XSLT JavaScript

Updated: 4 years, 9 months ago
12 stars 2 fork 2 watcher
Born at : March 3, 2018, 12:29 a.m. This repo has been linked 1 different CVEs too.

None

Python HTML CSS Jinja Makefile

Updated: 2 months, 2 weeks ago
682 stars 301 fork 301 watcher
Born at : Aug. 14, 2015, 4:24 p.m. This repo has been linked 1 different CVEs too.

Python SAML Toolkit

Python HTML CSS Jinja

Updated: 2 months, 2 weeks ago
660 stars 289 fork 289 watcher
Born at : July 18, 2011, 4:36 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-11427 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-11427 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 Duo Security, Inc. AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
    Added CWE Duo Security, Inc. CWE-287
  • Initial Analysis by [email protected]

    Apr. 18, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations No Types Assigned https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations Exploit, Technical Description, Third Party Advisory
    Changed Reference Type https://www.kb.cert.org/vuls/id/475445 No Types Assigned https://www.kb.cert.org/vuls/id/475445 Third Party Advisory, US Government Resource
    Added CWE CWE-287
    Added CPE Configuration OR *cpe:2.3:a:onelogin:pythonsaml:*:*:*:*:*:*:*:* versions up to (including) 2.3.0
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-11427 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.97 }} -0.09%

score

0.83649

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability