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Allocation of Resources Without Limits or Throttling Affecting nss package, versions <0:3.53.1-7.85.amzn1

medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.71% (81st percentile)
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NVD
7.5 high
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SUSE
7.5 high
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Red Hat
7.5 high

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  • Snyk ID SNYK-AMZN201803-NSS-1726296
  • published 27 Sep 2021
  • disclosed 20 Oct 2020
Report a new vulnerability Found a mistake?

Introduced: 20 Oct 2020

CVE-2020-25648 Open this link in a new tab
CWE-770 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2018.03 nss to version 0:3.53.1-7.85.amzn1 or higher.
This issue was patched in ALAS-2021-1518.

NVD Description

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

A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This flaw affects NSS versions before 3.58.

References