CVE-2019-25003 : An issue was discovered in the libsecp256k1 crate before 0.3.1 for Rust. Scalar:

An issue was discovered in the libsecp256k1 crate before 0.3.1 for Rust. Scalar::check_overflow allows a timing side-channel attack; consequently, attackers can obtain sensitive information.

Published 2020-12-31 10:15:14

Updated 2021-01-06 20:12:43

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2019-25003

Parity » Libsecp256k1 » For Rust
Versions before (<) 0.3.1
cpe:2.3:a:parity:libsecp256k1:*:*:*:*:*:rust:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2019-25003

EPSS FAQ

0.29%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 49 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-25003

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

References for CVE-2019-25003

https://rustsec.org/advisories/RUSTSEC-2019-0027.html

RUSTSEC-2019-0027: libsecp256k1: Flaw in Scalar::check_overflow allows side-channel timing attack › RustSec Advisory Database
Third Party Advisory

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Vulnerability Details : CVE-2019-25003

Products affected by CVE-2019-25003

Exploit prediction scoring system (EPSS) score for CVE-2019-25003

CVSS scores for CVE-2019-25003

References for CVE-2019-25003