Firefox: Unauthorised Access -- Remote with User Interaction

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.1891
     MFSA 2020-19 Security Vulnerabilities fixed in Firefox for iOS 26
                                1 June 2020

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Firefox
Publisher:         Mozilla
Operating System:  Apple iOS
Impact/Access:     Unauthorised Access -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-12404  

Original Bulletin: 
   https://www.mozilla.org/en-US/security/advisories/mfsa2020-19/

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Mozilla Foundation Security Advisory 2020-19

Security Vulnerabilities fixed in Firefox for iOS 26

Announced
    May 30, 2020
Impact
    moderate
Products
    Firefox for iOS
Fixed in
       Firefox for iOS 26

# CVE-2020-12404: Native-to-JS bridging security token exploit

Reporter
    Vinoth Kumar
Impact
    moderate

Description

For native-to-JS bridging the app requires a unique token to be passed that
ensures non-app code can't call the bridging functions. That token could leak
when used for downloading files.

References

  o Bug 1631739

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