CVE-2016-1567
UnknownEPSS 2.64%
Last modified
CVE-2016-1567 is a vulnerability of currently unknown severity. 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.". EPSS estimates a 2.64% chance of exploitation in the next 30 days.
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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tuxfamily | Chrony | <= 1.31.1 |
| Tuxfamily | Chrony | 2.0 |
| Tuxfamily | Chrony | 2.1 |
| Tuxfamily | Chrony | 2.1.1 |
| Tuxfamily | Chrony | 2.2 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-1567?
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."
How severe is CVE-2016-1567?
Severity scoring for CVE-2016-1567 is pending analysis. The EPSS model estimates a 2.64% probability of exploitation in the next 30 days.
How do I fix CVE-2016-1567?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2016-1567?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST