CVE-2016-1567

Description

From CVE.org

chrony before 1.31.2 and 2.x before 2.2.1 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key, aka a "skeleton key."

Statement

Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

Common Vulnerability Scoring System (CVSS) Score Details

Info alert:Important note

CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).

The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 Score Breakdown

Red HatNVDcve.org
Base Score3.66.8N/A
Attack VectorNetworkNetworkN/A
Access ComplexityHighMediumN/A
AuthenticationSingleNoneN/A
Confidentiality ImpactNonePartialN/A
Integrity ImpactPartialPartialN/A
Availability ImpactPartialPartialN/A

Vector

Red Hat: AV:N/AC:H/Au:S/C:N/I:P/A:P

NVD: AV:N/AC:M/Au:N/C:P/I:P/A:P

Understanding the Weakness (CWE)

CWE-304

Access Control,Integrity,Confidentiality

Technical Impact: Bypass Protection Mechanism; Gain Privileges or Assume Identity; Read Application Data; Execute Unauthorized Code or Commands

This weakness can lead to the exposure of resources or functionality to unintended actors, possibly providing attackers with sensitive information or allowing attackers to execute arbitrary code.

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