Arbitrary Argument Injection Affecting firefox-esr package, versions <78.10.0esr-1


0.0
high

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.24% (62nd percentile)
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NVD
8.8 high
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Red Hat
8.8 high
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SUSE
6.1 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOXESR-1251762
  • published 20 Apr 2021
  • disclosed 24 Jun 2021

How to fix?

Upgrade Debian:unstable firefox-esr to version 78.10.0esr-1 or higher.

NVD Description

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

When a user clicked on an FTP URL containing encoded newline characters (%0A and %0D), the newlines would have been interpreted as such and allowed arbitrary commands to be sent to the FTP server. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.