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 unspecified vectors. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-6887.
References
- [oss-security] 20161015 Re: Update on MatrixSSL miscalculation (incomplete fix for CVE-2016-6887) mailing-list
- [oss-security] 20161015 Update on MatrixSSL miscalculation (incomplete fix for CVE-2016-6887) mailing-list
- 95439 vdb-entry
- https://blog.fuzzing-project.org/54-Update-on-MatrixSSL-miscalculation-CVE-2016-8671%2C-incomplete-fix-for-CVE-2016-6887.html