Vulnerability Details : CVE-2016-6887
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.
Vulnerability category: Information leak
Products affected by CVE-2016-6887
- cpe:2.3:a:matrixssl:matrixssl:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-6887
0.30%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-6887
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2016-6887
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-6887
-
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
Fun with Bignums: Crashing MatrixSSL and more | The Fuzzing ProjectThird Party Advisory
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