CVE-2020-11879 Information

Description

An issue was discovered in GNOME Evolution before 3.35.91. By using the proprietary (non-RFC6068) \mailto?attach=…\ parameter a website (or other source of mailto links) can make Evolution attach local files or directories to a composed email message without showing a warning to the user as demonstrated by an attach=. value.

CVSS Vector

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

Reference

https://gitlab.gnome.org/GNOME/evolution/-/blob/master/NEWS https://gitlab.gnome.org/GNOME/evolution/issues/784 https://www.nds.ruhr-uni-bochum.de/media/nds/veroeffentlichungen/2020/08/15/mailto-paper.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5