Vulnerability Details : CVE-2020-11879
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.
Products affected by CVE-2020-11879
- cpe:2.3:a:gnome:evolution:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-11879
0.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 54 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-11879
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
References for CVE-2020-11879
-
https://gitlab.gnome.org/GNOME/evolution/-/blob/master/NEWS
NEWS · master · GNOME / evolution · GitLabThird Party Advisory
-
https://www.nds.ruhr-uni-bochum.de/media/nds/veroeffentlichungen/2020/08/15/mailto-paper.pdf
Third Party Advisory
-
https://gitlab.gnome.org/GNOME/evolution/issues/784
Warn about and limit what can be attached using mailto: URI (#784) · Issues · GNOME / evolution · GitLabThird Party Advisory
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