Vulnerabilities > CVE-2019-20399 - Information Exposure Through Discrepancy vulnerability in Parity Libsecp256K1

CVSS 5.9 - MEDIUM

Attack vector

NETWORK

Attack complexity

HIGH

Privileges required

NONE

Confidentiality impact

HIGH

Integrity impact

NONE

Availability impact

NONE

network

high complexity

parity

CWE-203

NVD

Published: 2020-01-23

Updated: 2021-07-21

Summary

A timing vulnerability in the Scalar::check_overflow function in Parity libsecp256k1-rs before 0.3.1 potentially allows an attacker to leak information via a side-channel attack.

Vulnerable Configurations

Part	Description	Count
Application	Parity Parity Libsecp256K1 - Parity Libsecp256K1 0.1.0 Parity Libsecp256K1 0.1.2 Parity Libsecp256K1 0.1.3 Parity Libsecp256K1 0.1.4 Parity Libsecp256K1 0.1.5 Parity Libsecp256K1 0.1.6 Parity Libsecp256K1 0.1.7 Parity Libsecp256K1 0.1.8 Parity Libsecp256K1 0.1.9 Parity Libsecp256K1 0.1.10 Parity Libsecp256K1 0.1.11 Parity Libsecp256K1 0.1.12 Parity Libsecp256K1 0.1.13 Parity Libsecp256K1 0.1.14 Parity Libsecp256K1 0.1.15 Parity Libsecp256K1 0.2.0 Parity Libsecp256K1 0.2.1 Parity Libsecp256K1 0.2.2 Parity Libsecp256K1 0.3.0	21

Common Weakness Enumeration (CWE)

CWE-203 - Information Exposure Through Discrepancy

References

https://github.com/paritytech/libsecp256k1/commit/11ba23a9766a5079918cd9f515bc100bc8164b50