CVE-2020-15677 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.html http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.html https://bugzilla.mozilla.org/show_bug.cgi?id=1641487 https://lists.debian.org/debian-lts-announce/2020/10/msg00020.html https://security.gentoo.org/glsa/202010-02 https://www.debian.org/security/2020/dsa-4770 https://www.mozilla.org/security/advisories/mfsa2020-42/ https://www.mozilla.org/security/advisories/mfsa2020-43/ https://www.mozilla.org/security/advisories/mfsa2020-44/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1