CVE-2017-16853
OpenSAML Signature Verification Bypass Vulnerability
Description
The DynamicMetadataProvider class in saml/saml2/metadata/impl/DynamicMetadataProvider.cpp in OpenSAML-C in OpenSAML before 2.6.1 fails to properly configure itself with the MetadataFilter plugins and does not perform critical security checks such as signature verification, enforcement of validity periods, and other checks specific to deployments, aka CPPOST-105.
INFO
Published Date :
Nov. 16, 2017, 5:29 p.m.
Last Modified :
Nov. 7, 2023, 2:40 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.2
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-2017-16853.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/101898 | Third Party Advisory VDB Entry |
| https://bugs.debian.org/881856 | Issue Tracking Third Party Advisory |
| https://git.shibboleth.net/view/?p=cpp-opensaml.git%3Ba=commit%3Bh=6182b0acf2df670e75423c2ed7afe6950ef11c9d | |
| https://lists.debian.org/debian-lts-announce/2017/11/msg00024.html | |
| https://shibboleth.net/community/advisories/secadv_20171115.txt | Issue Tracking Vendor Advisory |
| https://www.debian.org/security/2017/dsa-4039 | Issue Tracking 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-16853 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-16853 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]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://git.shibboleth.net/view/?p=cpp-opensaml.git%3Ba=commit%3Bh=6182b0acf2df670e75423c2ed7afe6950ef11c9d [No types assigned] Removed Reference MITRE https://git.shibboleth.net/view/?p=cpp-opensaml.git;a=commit;h=6182b0acf2df670e75423c2ed7afe6950ef11c9d -
CVE Modified by [email protected]
Feb. 04, 2018
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2017/11/msg00024.html [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 07, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://bugs.debian.org/881856 No Types Assigned https://bugs.debian.org/881856 Issue Tracking, Third Party Advisory Changed Reference Type https://shibboleth.net/community/advisories/secadv_20171115.txt No Types Assigned https://shibboleth.net/community/advisories/secadv_20171115.txt Issue Tracking, Vendor Advisory Changed Reference Type https://www.debian.org/security/2017/dsa-4039 No Types Assigned https://www.debian.org/security/2017/dsa-4039 Issue Tracking, Third Party Advisory Changed Reference Type https://git.shibboleth.net/view/?p=cpp-opensaml.git;a=commit;h=6182b0acf2df670e75423c2ed7afe6950ef11c9d No Types Assigned https://git.shibboleth.net/view/?p=cpp-opensaml.git;a=commit;h=6182b0acf2df670e75423c2ed7afe6950ef11c9d Issue Tracking, Patch, Vendor Advisory Changed Reference Type http://www.securityfocus.com/bid/101898 No Types Assigned http://www.securityfocus.com/bid/101898 Third Party Advisory, VDB Entry Added CWE CWE-347 Added CPE Configuration OR *cpe:2.3:a:shibboleth:opensaml:*:*:*:*:*:*:*:* versions up to (excluding) 2.6.1 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 22, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/101898 [No Types Assigned] -
CVE Modified by [email protected]
Nov. 18, 2017
Action Type Old Value New Value Added Reference https://www.debian.org/security/2017/dsa-4039 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-16853 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-16853
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.99 }} -0.01%
score
0.81782
percentile