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VULNERABILITIES

CVE-2016-1567 Details

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."

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.1 HIGHVector: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

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://chrony.tuxfamily.org/news.html#_20_jan_2016_chrony_2_2_1_and_chrony_1_31_2_released CVEVendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176559.html CVE
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175969.html CVEPatch
http://www.talosintel.com/reports/TALOS-2016-0071/ CVEExploit
http://chrony.tuxfamily.org/news.html#_20_jan_2016_chrony_2_2_1_and_chrony_1_31_2_released [email protected]Vendor Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-2547PK - Security Features[email protected]

Affected Products

ProductVersions
tuxfamily chrony
<= 1.31.1
2.0
2.1
2.1.1
2.2

CPE

  • cpe:2.3:a:tuxfamily:chrony:*:*:*:*:*:*:*:*
  • cpe:2.3:a:tuxfamily:chrony:2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:tuxfamily:chrony:2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:tuxfamily:chrony:2.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:tuxfamily:chrony:2.2:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2016-1567
NVD Published Date:
Jan 26, 2016
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2016-1567 Details - Not Deferred