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CVE
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CVE-2016-6882Date: (C)2017-03-04   (M)2023-12-22


MatrixSSL before 3.8.7, when the DHE_RSA based cipher suite is supported, makes it easier for remote attackers to obtain RSA private key information by conducting a Lenstra side-channel attack.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.9CVSS Score : 4.3
Exploit Score: 2.2Exploit Score: 8.6
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: HIGHAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: HIGHAvailability: NONE
Integrity: NONE 
Availability: NONE 
  
Reference:
BID-91488
http://www.openwall.com/lists/oss-security/2016/08/19/7
https://access.redhat.com/blogs/766093/posts/1976703
https://github.com/matrixssl/matrixssl/blob/master/CHANGES.md#validation-of-rsa-signature-creation
https://people.redhat.com/~fweimer/rsa-crt-leaks.pdf

CWE    1
CWE-200

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