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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

6 years ago

Modified

Modified

3 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.

Common Vulnerabilities and Exposures (CVE)