CVE-2021-38195

CRITICAL

9.8

Description

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published8/8/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

parity:libsecp256k1

Weaknesses (CWE)

CWE-347

References

https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/libsecp256k1/RUSTSEC-2021-0076.md(cve@mitre.org)

https://rustsec.org/advisories/RUSTSEC-2021-0076.html(cve@mitre.org)

https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/libsecp256k1/RUSTSEC-2021-0076.md(af854a3a-2127-422b-91ae-364da2661108)

https://rustsec.org/advisories/RUSTSEC-2021-0076.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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