Out-of-Bounds Affecting chrony-debuginfo package, versions <0:1.31.1-1.13.amzn1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.93% (83rd percentile)

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  • Snyk IDSNYK-AMZN201803-CHRONYDEBUGINFO-1686579
  • published27 Sept 2021
  • disclosed16 Apr 2015

Introduced: 16 Apr 2015

CVE-2015-1821  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 chrony-debuginfo to version 0:1.31.1-1.13.amzn1 or higher.
This issue was patched in ALAS-2015-539.

NVD Description

Note: Versions mentioned in the description apply only to the upstream chrony-debuginfo package and not the chrony-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring the (1) NTP or (2) cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the subnet remainder.

CVSS Scores

version 3.1