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Amazon Linux Local Check: ALAS-2014-366
Information
Severity
Severity
Low
Family
Family
Amazon Linux Local Security Checks
CVSSv2 Base
CVSSv2 Base
2.6
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:H/Au:N/C:N/I:N/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
8 years ago
Modified
Modified
5 years ago
Summary
Amazon Linux Local Security Checks
Insight
Insight
It was reported that the cmdmon protocol implemented in chrony was found to be vulnerable to DDoS attacks using traffic amplification. By default, commands are allowed only from localhost, but it's possible to configure chronyd to allow commands from any address. This could allow a remote attacker to cause a DoS, which could cause excessive resource usage.
Solution
Solution
Run yum update chrony to update your system.