Description
By exploiting an Open Redirect vulnerability on a website, an attacker could have spoofed the site displayed in the download file dialog to show the original site (the one suffering from the open redirect) rather than the site the file was actually downloaded from. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox
unspecified to < 81affected
Mozilla Thunderbird
unspecified to < 78.3affected
Mozilla Firefox ESR
unspecified to < 78.3affected
References
- https://www.mozilla.org/security/advisories/mfsa2020-43/ ↗
- https://www.mozilla.org/security/advisories/mfsa2020-44/ ↗
- https://www.mozilla.org/security/advisories/mfsa2020-42/ ↗
- https://bugzilla.mozilla.org/show_bug.cgi?id=1641487 ↗
- https://www.debian.org/security/2020/dsa-4770 ↗
- https://lists.debian.org/debian-lts-announce/2020/10/msg00020.html ↗
- https://security.gentoo.org/glsa/202010-02 ↗
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.html ↗