The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of Mozilla Thunderbird: information disclosure via X-Frame-Options

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via X-Frame-Options of Mozilla Thunderbird, in order to obtain sensitive information.
Impacted systems: Thunderbird, RHEL.
Severity of this alert: 2/4.
Creation date: 17/07/2020.
Références of this alert: CERTFR-2020-AVI-448, CVE-2020-15648, MFSA2020-29, RHSA-2020:3555-01, RHSA-2020:3556-01, RHSA-2020:3557-01, RHSA-2020:3558-01, RHSA-2020:3559-01, RHSA-2020:4080-01, VIGILANCE-VUL-32867.

Description of the vulnerability 

An attacker can bypass access restrictions to data via X-Frame-Options of Mozilla Thunderbird, in order to obtain sensitive information.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This security vulnerability impacts software or systems such as Thunderbird, RHEL.

Our Vigil@nce team determined that the severity of this computer weakness bulletin is medium.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this security note.

Solutions for this threat 

Mozilla Thunderbird: version 78.0.
The version 78.0 is fixed:
  https://www.thunderbird.net/fr/

RHEL 7.9: new firefox packages.
New packages are available:
  RHEL 7.9: firefox 78.3.0-1.el7_9

RHEL: new firefox packages (26/08/2020).
New packages are available:
  RHEL 6.10: firefox 68.12.0-1.el6_10
  RHEL 7.8: firefox 68.12.0-1.el7_8
  RHEL 8.0: firefox 78.2.0-3.el8_0
  RHEL 8.1: firefox 78.2.0-3.el8_1
  RHEL 8.2: firefox 78.2.0-2.el8_2
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides a system vulnerability workaround. The Vigil@nce security watch publishes vulnerability bulletins about threats impacting the information system.