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CVE-2023-24532

MEDIUMCVSS 5.3/10EPSS 0.82%

Last modified

CVE-2023-24532 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.82% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS Probability
0.82%

52.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GolangGo< 1.19.7
GolangGo>= 1.20.0, < 1.20.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-24532?
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.
How severe is CVE-2023-24532?
CVE-2023-24532 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.
How do I fix CVE-2023-24532?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST