Information Exposure Affecting Firefox package, versions [,128)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.05% (17th percentile)

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  • Snyk ID SNYK-UNMANAGED-FIREFOX-7444633
  • published 12 Jul 2024
  • disclosed 9 Jul 2024
  • credit Aidan Stephenson, Yannik Marchand

How to fix?

Upgrade Firefox to version 128 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure due to the handling of CSP violation reports in the console tab. An attacker can leak DNS information by exploiting the automatic DNS prefetch feature when a CSP violation is reported.

CVSS Scores

version 4.0
version 3.1
Expand this section

Snyk

Recommended
6.9 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Attack Requirements (AT)
    None
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Confidentiality (VC)
    Low
  • Integrity (VI)
    None
  • Availability (VA)
    None
  • Confidentiality (SC)
    None
  • Integrity (SI)
    None
  • Availability (SA)
    None