CVE-2020-11879
published 2020-04-17CVE-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…
PriorityP431medium6.5CVSS 3.1
AVNACLPRNUIRSUCHINAN
EPSS
2.68%
84.2th percentile
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.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | evolution | < evolution 3.36.0-1 (bookworm) | evolution 3.36.0-1 (bookworm) |
| gnome | evolution | < 3.35.91 | 3.35.91 |
| gnome | evolution | >= 0 < 3.36.0-1 | 3.36.0-1 |
| gnome | evolution | >= 0 < 3.36.0-1 | 3.36.0-1 |
| gnome | evolution | >= 0 < 3.36.0-1 | 3.36.0-1 |
| gnome | evolution | >= 0 < 3.36.0-1 | 3.36.0-1 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
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GHSA
GHSA-c29m-85fj-ccfm: An issue was discovered in GNOME Evolution before 3
ghsa_unreviewed·2022-05-24
CVE-2020-11879 [MEDIUM] GHSA-c29m-85fj-ccfm: An issue was discovered in GNOME Evolution before 3
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=.bash_history value.
OSV
CVE-2020-11879: An issue was discovered in GNOME Evolution before 3
osv·2020-04-17·CVSS 6.5
CVE-2020-11879 [MEDIUM] CVE-2020-11879: An issue was discovered in GNOME Evolution before 3
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.
Red Hat
evolution: attaching local filed/directories to composed email can lead to unintended information disclosure
vendor_redhat·2020-04-17·CVSS 6.5
CVE-2020-11879 [MEDIUM] CWE-201 evolution: attaching local filed/directories to composed email can lead to unintended information disclosure
evolution: attaching local filed/directories to composed email can lead to unintended information disclosure
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.
Mitigation: Either:
1. Do not use mailto links at all
2. Always double-check in the user interface that there are no unwanted attachments before sending emails; especially when the email originates from clicking a mailto link.
Package: evolution (Red Hat Enterprise Linux 6) - Out of support scope
Package: evolution (Red Hat Enterprise Linux 7) - Will not
Debian
CVE-2020-11879: evolution - An issue was discovered in GNOME Evolution before 3.35.91. By using the propriet...
vendor_debian·2020·CVSS 6.5
CVE-2020-11879 [MEDIUM] CVE-2020-11879: evolution - An issue was discovered in GNOME Evolution before 3.35.91. By using the propriet...
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.
Scope: local
bookworm: resolved (fixed in 3.36.0-1)
bullseye: resolved (fixed in 3.36.0-1)
forky: resolved (fixed in 3.36.0-1)
sid: resolved (fixed in 3.36.0-1)
trixie: resolved (fixed in 3.36.0-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2020-11879 evolution: attaching local filed/directories to composed email can lead to unintended information disclosure
bugzilla·2020-08-10·CVSS 6.5
CVE-2020-11879 [MEDIUM] CVE-2020-11879 evolution: attaching local filed/directories to composed email can lead to unintended information disclosure
CVE-2020-11879 evolution: attaching local filed/directories to composed email can lead to unintended information disclosure
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.
Upstream Issue:
https://gitlab.gnome.org/GNOME/evolution/-/issues/784
Discussion:
Created evolution tracking bugs for this issue:
Affects: fedora-31 [bug 1867606]
---
Mitigation:
Either:
1. Do not use mailto links at all
2. Always double-check in the user interface that there are no unwanted attachments before sending emails; especially when the email originates from clicking a mailto link.
Bugzilla
CVE-2020-11879 evolution: attaching local filed/directories to composed email can lead to unintended information disclosure [fedora-31]
bugzilla·2020-08-10·CVSS 6.5
CVE-2020-11879 [MEDIUM] CVE-2020-11879 evolution: attaching local filed/directories to composed email can lead to unintended information disclosure [fedora-31]
CVE-2020-11879 evolution: attaching local filed/directories to composed email can lead to unintended information disclosure [fedora-31]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-31.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit messa
https://gitlab.gnome.org/GNOME/evolution/-/blob/master/NEWShttps://gitlab.gnome.org/GNOME/evolution/issues/784https://www.nds.ruhr-uni-bochum.de/media/nds/veroeffentlichungen/2020/08/15/mailto-paper.pdfhttps://gitlab.gnome.org/GNOME/evolution/-/blob/master/NEWShttps://gitlab.gnome.org/GNOME/evolution/issues/784https://www.nds.ruhr-uni-bochum.de/media/nds/veroeffentlichungen/2020/08/15/mailto-paper.pdf
2020-04-17
Published