1. Home
  2. CVE Database
  3. CVE-2019-20399
MEDIUM · 5.9

CVE-2019-20399

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.

Vulnerability Description

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.

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
ParityLibsecp256K1< 0.3.1

Related Weaknesses (CWE)

CWE-203

References

FAQ

What is CVE-2019-20399?

CVE-2019-20399 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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.

How severe is CVE-2019-20399?

CVE-2019-20399 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-20399?

Check the references section above for vendor advisories and patch information. Affected products include: Parity Libsecp256K1.