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MEDIUM · 5.5

CVE-2016-7438

The C software implementation of ECC in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover RSA keys by leveraging cache-bank hit differences.

Vulnerability Description

The C software implementation of ECC in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover RSA keys by leveraging cache-bank hit differences.

CVSS Score

5.5

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
WolfsslWolfssl<= 3.9.8

Related Weaknesses (CWE)

CWE-310

References

FAQ

What is CVE-2016-7438?

CVE-2016-7438 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The C software implementation of ECC in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover RSA keys by leveraging cache-bank hit differences.

How severe is CVE-2016-7438?

CVE-2016-7438 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2016-7438?

Check the references section above for vendor advisories and patch information. Affected products include: Wolfssl Wolfssl.