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 |
---|---|---|
CWE | CWE-347 | |
CVSS |
v2 : v3 : |
v2 : 7.5
v3 : 9.8 |
CPE | cpe:2.3:a:parity:libsecp256k1:*:*:*:*:*:rust:*:* | |
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 |
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