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Inclusion of Functionality from Untrusted Control Sphere Affecting thunderbird package, versions <0:52.3.0-1.el7_4

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.37% (74th percentile)

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  • Snyk IDSNYK-RHEL7-THUNDERBIRD-4730129
  • published26 Jul 2021
  • disclosed8 Aug 2017
Report a new vulnerability Found a mistake?

Introduced: 8 Aug 2017

CVE-2017-7791  (opens in a new tab)
CWE-829  (opens in a new tab)

How to fix?

Upgrade RHEL:7 thunderbird to version 0:52.3.0-1.el7_4 or higher.
This issue was patched in RHSA-2017:2534.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

On pages containing an iframe, the "data:" protocol can be used to create a modal alert that will render over arbitrary domains following page navigation, spoofing of the origin of the modal alert from the iframe content. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.