CVE-2022-42961

Description

An issue was discovered in wolfSSL before 5.5.0. A fault injection attack on RAM via Rowhammer leads to ECDSA key disclosure. Users performing signing operations with private ECC keys, such as in server-side TLS connections, might leak faulty ECC signatures. These signatures can be processed via an advanced technique for ECDSA key recovery. (In 5.5.0 and later, WOLFSSL_CHECK_SIG_FAULTS can be used to address the vulnerability.)

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.17%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/wolfSSL/wolfssl/releases/tag/v5.5.0-stable third party advisory release notes

Frequently Asked Questions

What is the severity of CVE-2022-42961?
CVE-2022-42961 has been scored as a medium severity vulnerability.
How to fix CVE-2022-42961?
To fix CVE-2022-42961, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-42961 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-42961 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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