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 3.0 8.1/10
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://chrony.tuxfamily.org/news.html#_20_jan_2016_chrony_2_2_1_and_chrony_1_31_2_releasedVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176559.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175969.htmlPatch
- http://www.talosintel.com/reports/TALOS-2016-0071/Exploit
- http://chrony.tuxfamily.org/news.html#_20_jan_2016_chrony_2_2_1_and_chrony_1_31_2_releasedVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176559.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175969.htmlPatch
- http://www.talosintel.com/reports/TALOS-2016-0071/Exploit
Timeline
- Published
- Jan 26, 2016
- Last modified
- Jun 17, 2026
- NVD status
- Modified