SUSE-SU-2020:1958-1 Security update for MozillaFirefox

Not scored Published

An attacker can bypass X-Frame-Options protections using object or embed tags, potentially enabling clickjacking attacks against Firefox users.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is SUSE-SU-2020:1958-1?

SUSE-SU-2020:1958-1 is a vulnerability in MozillaFirefox, published on 20 Jul 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

This update for MozillaFirefox fixes the following issues:

  • Mozilla Firefox 78.0.2 MFSA 2020-28 (bsc#1173948)
    • MFSA-2020-0003 (bmo#1644076) X-Frame-Options bypass using object or embed tags
  • Firefox Extended Support Release 78.0.2esr ESR
    • Fixed: Security fix
    • Fixed: Fixed an accessibility regression in reader mode (bmo#1650922)
    • Fixed: Made the address bar more resilient to data corruption in the user profile (bmo#1649981)
    • Fixed: Fixed a regression opening certain external applications (bmo#1650162)

Which versions are affected by SUSE-SU-2020:1958-1?

Linux distribution packages (2)
MozillaFirefox SUSE:Linux Enterprise Module for Desktop Applications 15 SP1All versions78.0.2-3.97.1
MozillaFirefox SUSE:Linux Enterprise Module for Desktop Applications 15 SP2All versions78.0.2-3.97.1

How do I fix SUSE-SU-2020:1958-1?

Upgrade to a fixed version.

Is SUSE-SU-2020:1958-1 being exploited?

There is no known exploitation of SUSE-SU-2020:1958-1 in the wild and no public exploit code.

Sources

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