CVE-2016-6887
MatrixSSL Cryptographic Vulnerability
Description
The pstm_exptmod function in MatrixSSL 3.8.6 and earlier does not properly perform modular exponentiation, which might allow remote attackers to predict the secret key via a CRT attack.
INFO
Published Date :
Jan. 13, 2017, 4:59 p.m.
Last Modified :
Jan. 19, 2017, 2:59 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
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-2016-6887.
| URL | Resource |
|---|---|
| http://www.matrixssl.org/blog/releases/matrixssl_3_8_4 | Patch Vendor Advisory |
| https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-more.html | 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-2016-6887 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-6887 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]
Jan. 19, 2017
Action Type Old Value New Value Changed Description The pstm_exptmod function in MatrixSSL 3.8.6 and earlier does not properly perform modular expontiation, which might allow remote attackers to predict the secret key via a CRT attack. The pstm_exptmod function in MatrixSSL 3.8.6 and earlier does not properly perform modular exponentiation, which might allow remote attackers to predict the secret key via a CRT attack. -
Initial Analysis by [email protected]
Jan. 17, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:N/A:N) Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type http://www.matrixssl.org/blog/releases/matrixssl_3_8_4 No Types Assigned http://www.matrixssl.org/blog/releases/matrixssl_3_8_4 Vendor Advisory, Patch Changed Reference Type https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-more.html No Types Assigned https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-more.html Third Party Advisory Added CWE CWE-200 Added CPE Configuration OR *cpe:2.3:a:matrixssl:matrixssl:3.8.6:*:*:*:*:*:*:* (and previous)
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-6887 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-2016-6887
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.24 }} 0.00%
score
0.59731
percentile