Side Channel Vulnerability

2024-01-1909:02:47

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

libgcrypt

curve25519

input validation

side channel attack

private key

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

6.5

Confidence

Low

EPSS

0.004

Percentile

74.6%

JSON

Libgcrypt is vulnerable to Side Channel Vulnerability. The vulnerability is due to improper input validation within the Curve25519 algorithm located in cipher/ecc.c and mpi/ec.c. An attacker can possibly exfiltrate the private key as a result of this side channel attack.