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.
References
| Link | Resource |
|---|---|
| https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/libsecp256k1/RUSTSEC-2021-0076.md | Third Party Advisory |
| https://rustsec.org/advisories/RUSTSEC-2021-0076.html | Exploit Issue Tracking Patch Third Party Advisory |
| https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/libsecp256k1/RUSTSEC-2021-0076.md | Third Party Advisory |
| https://rustsec.org/advisories/RUSTSEC-2021-0076.html | Exploit Issue Tracking Patch Third Party Advisory |
Configurations
History
21 Nov 2024, 06:16
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/libsecp256k1/RUSTSEC-2021-0076.md - Third Party Advisory | |
| References | () https://rustsec.org/advisories/RUSTSEC-2021-0076.html - Exploit, Issue Tracking, Patch, Third Party Advisory |
16 Aug 2021, 16:51
| Type | Values Removed | Values Added |
|---|---|---|
| References | (MISC) https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/libsecp256k1/RUSTSEC-2021-0076.md - Third Party Advisory | |
| References | (MISC) https://rustsec.org/advisories/RUSTSEC-2021-0076.html - Exploit, Issue Tracking, Patch, Third Party Advisory | |
| CWE | CWE-347 | |
| CVSS |
v2 : v3 : |
v2 : 7.5
v3 : 9.8 |
| CPE | cpe:2.3:a:parity:libsecp256k1:*:*:*:*:*:rust:*:* |
08 Aug 2021, 06:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2021-08-08 06:15
Updated : 2024-11-21 06:16
NVD link : CVE-2021-38195
Mitre link : CVE-2021-38195
CVE.ORG link : CVE-2021-38195
JSON object : View
Products Affected
parity
- libsecp256k1
CWE
CWE-347
Improper Verification of Cryptographic Signature
