CVE-2023-24532

Incorrect calculation on P256 curves in crypto/internal/nistec

Description

The ScalarMult and ScalarBaseMult methods of the P256 Curve may return an incorrect result if called with some specific unreduced scalars (a scalar larger than the order of the curve). This does not impact usages of crypto/ecdsa or crypto/ecdh.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Third-Party Advisory go.dev
Affected: Go standard library crypto/internal/nistec
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2023-24532?
CVE-2023-24532 has been scored as a medium severity vulnerability.
How to fix CVE-2023-24532?
To fix CVE-2023-24532, 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-2023-24532 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-24532 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.
What software or system is affected by CVE-2023-24532?
CVE-2023-24532 affects Go standard library crypto/internal/nistec.
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