An issue was discovered in the libsecp256k1 crate before 0.5.0 for Rust. It can verify an invalid signature because it allows the R or S parameter to be larger than the curve order, aka an overflow.
Advisories
Source ID Title
EUVD EUVD EUVD-2021-1711 An issue was discovered in the libsecp256k1 crate before 0.5.0 for Rust. It can verify an invalid signature because it allows the R or S parameter to be larger than the curve order, aka an overflow.
Github GHSA Github GHSA GHSA-g4vj-x7v9-h82m Overflow in libsecp256k1
Fixes

Solution

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Workaround

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T01:37:16.090Z

Reserved: 2021-08-08T00:00:00

Link: CVE-2021-38195

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-08-08T06:15:09.117

Modified: 2024-11-21T06:16:37.403

Link: CVE-2021-38195

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses