CVE-2023-6135

2024-01-1109:00:57

redhat.com

access.redhat.com

nss package

vulnerability

side-channel information leak

local attacker

signature usages

ecdsa private key

mitigation

red hat product security

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

AI Score

6.6

Confidence

Low

EPSS

0.001

Percentile

20.6%

JSON

The Network Security Services (NSS) package contains a vulnerability that exposes a side-channel information leak. This weakness enables a local attacker to capture several thousand usages of a signature, allowing them to utilize this information to recover portions of an ECDSA private key.

Mitigation

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.