CVE-2016-1567

8.1 HIGH

Published: January 26, 2016 Modified: May 06, 2026

Description

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."

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://chrony.tuxfamily.org/news.html#_20_jan_2016_chrony_2_2_1_and_chrony_1_31_2_released

Source: cve@mitre.org

Vendor Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176559.html

Source: cve@mitre.org

http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175969.html

Source: cve@mitre.org

Patch

http://www.talosintel.com/reports/TALOS-2016-0071/

Source: cve@mitre.org

Exploit

http://chrony.tuxfamily.org/news.html#_20_jan_2016_chrony_2_2_1_and_chrony_1_31_2_released

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176559.html

Source: af854a3a-2127-422b-91ae-364da2661108

http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175969.html

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

http://www.talosintel.com/reports/TALOS-2016-0071/

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit

8 reference(s) from NVD

Quick Stats

CVSS v3 Score

8.1 / 10.0

EPSS (Exploit Probability)

0.4%

62th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-254

Affected Vendors

tuxfamily

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