What is the severity of CVE-2016-7438?

CVE-2016-7438 is classified as a medium severity vulnerability due to its potential for local users to exploit cache-bank timing differences to reveal RSA keys.

How do I fix CVE-2016-7438?

To mitigate CVE-2016-7438, upgrade to wolfSSL version 3.9.10 or later, which contains the necessary patches for this vulnerability.

Who is affected by CVE-2016-7438?

All users of wolfSSL versions prior to 3.9.10, particularly those utilizing the ECC implementation, are affected by CVE-2016-7438.

What type of hacking technique does CVE-2016-7438 exploit?

CVE-2016-7438 exploits a side-channel attack technique that leverages cache-bank hit differences.

Can CVE-2016-7438 be exploited remotely?

No, CVE-2016-7438 requires local access to the system to exploit the vulnerability.

Vulnerability/
CVE-2016-7438

medium

5.5

CWE

310

13/12/2016

6/8/2024

CVE-2016-7438

First published: Tue Dec 13 2016(Updated: )

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.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
wolfSSL	<=3.9.8

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2016-7438?
CVE-2016-7438 is classified as a medium severity vulnerability due to its potential for local users to exploit cache-bank timing differences to reveal RSA keys.
How do I fix CVE-2016-7438?
To mitigate CVE-2016-7438, upgrade to wolfSSL version 3.9.10 or later, which contains the necessary patches for this vulnerability.
Who is affected by CVE-2016-7438?
All users of wolfSSL versions prior to 3.9.10, particularly those utilizing the ECC implementation, are affected by CVE-2016-7438.
What type of hacking technique does CVE-2016-7438 exploit?
CVE-2016-7438 exploits a side-channel attack technique that leverages cache-bank hit differences.
Can CVE-2016-7438 be exploited remotely?
No, CVE-2016-7438 requires local access to the system to exploit the vulnerability.

agent/references
agent/type
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/severity
agent/weakness
agent/author
agent/first-publish-date
agent/description
agent/event
agent/softwarecombine
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/wolfssl
canonical/wolfssl
version/wolfssl/3.9.8

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Frequently Asked Questions

What is the severity of CVE-2016-7438?
CVE-2016-7438 is classified as a medium severity vulnerability due to its potential for local users to exploit cache-bank timing differences to reveal RSA keys.
How do I fix CVE-2016-7438?
To mitigate CVE-2016-7438, upgrade to wolfSSL version 3.9.10 or later, which contains the necessary patches for this vulnerability.
Who is affected by CVE-2016-7438?
All users of wolfSSL versions prior to 3.9.10, particularly those utilizing the ECC implementation, are affected by CVE-2016-7438.
What type of hacking technique does CVE-2016-7438 exploit?
CVE-2016-7438 exploits a side-channel attack technique that leverages cache-bank hit differences.
Can CVE-2016-7438 be exploited remotely?
No, CVE-2016-7438 requires local access to the system to exploit the vulnerability.