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CVE-2020-15682 PUBLISHED

When a link to an external protocol was clicked, a prompt was presented that allowed the user to choose what application to open it in. An attacker could induce that prompt to be associated with an origin they didn't control, resulting in a spoofing attack. This was fixed by changing external protocol prompts to be tab-modal while also ensuring they could not be incorrectly associated with a different origin. This vulnerability affects Firefox < 82.

EPSS 0.13% · 32.8th percentile

Risk Scores

EPSS Score
0.13%
32.8th percentile

Affected Products

VendorProductVersions
Ubuntu:20.04:LTSmozjs5252.9.1-1build1, 0, 52.9.1-1ubuntu3
Ubuntu:20.04:LTSmozjs6868.5.0-2~fakesync, 0, 68.5.0-1~fakesync
Ubuntu:18.04:LTSmozjs3838.8.0~repack1-0ubuntu3, 0, 38.8.0~repack1-0ubuntu1
Ubuntu:18.04:LTSmozjs520, 52.9.1-0ubuntu0.18.04.1, 52.8.1-0ubuntu0.18.04.1
Ubuntu:20.04:LTSfirefox76.0.1+build1-0ubuntu0.20.04.1, 76.0+build2-0ubuntu0.20.04.1, 75.0+build3-0ubuntu1
Ubuntu:18.04:LTSfirefox67.0.3+build1-0ubuntu0.18.04.1, 0, 56.0+build6-0ubuntu1
Ubuntu:16.04:LTSfirefox42.0+build2-0ubuntu1, 41.0.2+build2-0ubuntu1, 60.0.2+build1-0ubuntu0.16.04.1

Timeline

References

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