The code for downloading files did not properly take care of special characters, which led to an attacker being able to cut off the file ending at an earlier position, leading to a different file type being downloaded than shown in the dialog. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2020-08-10T17:43:23

Updated: 2024-08-04T13:22:30.558Z

Reserved: 2020-07-10T00:00:00

Link: CVE-2020-15658

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2020-08-10T18:15:12.653

Modified: 2023-02-02T22:23:19.477

Link: CVE-2020-15658

cve-icon Redhat

Severity : Low

Publid Date: 2020-07-28T00:00:00Z

Links: CVE-2020-15658 - Bugzilla