CVE-2023-24532

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.

CVSS Metrics

• v3.1•MEDIUM•Score: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS Trends

Current EPSS score: 0.03%• Percentile: 8%

Techniques & Countermeasures

• CWE-682•Incorrect Calculation

  The product performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management.

Affected Systems

• go standard library•crypto/internal/nistec

  < 1.19.7 | ≥ 1.20.0-0, < 1.20.2

• golang•go

  < 1.19.7 | ≥ 1.20.0, < 1.20.2

• Go•stdlib

  ≥ 1.20.0-0, < 1.20.2

References (5)

• https://go.dev/issue/58647
• https://go.dev/cl/471255
• https://groups.google.com/g/golang-announce/c/3-TpUx48iQY
• https://pkg.go.dev/vuln/GO-2023-1621
• https://security.netapp.com/advisory/ntap-20230331-0011/