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Improper Authentication Affecting firefox package, versions <72.0-1

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Integrity High

    Threat Intelligence

    EPSS 0.31% (70th percentile)
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NVD
6.5 medium
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Red Hat
5.3 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-540893
  • published 7 Jan 2020
  • disclosed 8 Jan 2020
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Introduced: 7 Jan 2020

CVE-2019-17023 Open this link in a new tab
CWE-287 Open this link in a new tab

How to fix?

Upgrade Debian:unstable firefox to version 72.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

After a HelloRetryRequest has been sent, the client may negotiate a lower protocol that TLS 1.3, resulting in an invalid state transition in the TLS State Machine. If the client gets into this state, incoming Application Data records will be ignored. This vulnerability affects Firefox < 72.