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."
CVSS Details
- CVSS 3.1 Base Score: 8.1
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade chrony | Mar 31, 2017 | Jan 26, 2016 |
| Huawei Euleros 2_0_sp2 | — | Upgrade chrony | Nov 30, 2017 | Jan 26, 2016 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jan 20, 2016 |
| Suse | — | Upgrade chrony-pool-emptyUpgrade chrony-pool-suseUpgrade chrony | Dec 9, 2016 | Jan 26, 2016 |
| Ubuntu | — | Upgrade chrony | Nov 19, 2024 | Jan 26, 2016 |
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