Vulnerability in Golang Go
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.008 (55.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Golang Go
- Go Standard Library Crypto/internal/nistec — versions 0, 1.20.0-0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- go.dev/issue/58647 (Patch, Issue Tracking)
- go.dev/cl/471255 (Patch)
- groups.google.com/g/golang-announce/c/3-TpUx48iQY (Mailing List, Release Notes)
- pkg.go.dev/vuln/GO-2023-1621 (Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-24532?
- CVE-2023-24532 is a medium-severity vulnerability in Golang Go, classified under Incorrect Calculation. CVSS score: 5.3/10. Published 2023-03-08.
- How severe is CVE-2023-24532?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-24532 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.