QID 352837

Date Published: 2021-09-20

QID 352837: Amazon Linux Security Advisory for ntp: ALAS2-2021-1706

The monlist feature in ntp_request.c in ntpd in ntp before 4.2.7p26 allows remote attackers to cause a denial of service (traffic amplification) via forged (1) req_mon_getlist or (2) req_mon_getlist_1 requests, as exploited in the wild in december 2013. (
( CVE-2013-5211)

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Allows unauthorized disclosure of information; allows unauthorized modification; allows disruption of service.

CVSS V3 rated as Medium - 4.2 severity.

CVSS V2 rated as Medium - 5 severity.

Solution

Please refer to Amazon advisory: ALAS2-2021-1706 for affected packages and patching details, or update with your package manager.

Vendor References

ALAS2-2021-1706 - alas.aws.amazon.com/AL2/ALAS-2021-1706.html

CVEs related to QID 352837

CVE-2013-5211 |

Software Advisories

Advisory ID	Software	Component	Link
ALAS2-2021-1706	Amazon Linux 2		alas.aws.amazon.com/AL2/ALAS-2021-1706.html

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