Description
On pages containing an iframe, the "data:" protocol can be used to create a modal alert that will render over arbitrary domains following page navigation, spoofing of the origin of the modal alert from the iframe content. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
References (11)
Core 11
Core References
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-19/
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-20/
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1365875
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2017/dsa-3968
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-18/
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2456
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2534
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/100240
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1039124
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201803-14
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2017/dsa-3928
Scores
CVSS v3
5.3
EPSS
0.0135
EPSS Percentile
80.4%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Details
CWE
CWE-20
Status
published
Products (21)
debian/debian_linux
8.0
debian/debian_linux
9.0
mozilla/firefox
< 55.0
mozilla/thunderbird
< 52.3.0
redhat/enterprise_linux
5.0
redhat/enterprise_linux
6.0
redhat/enterprise_linux
7.0
redhat/enterprise_linux_desktop
5.0
redhat/enterprise_linux_desktop
6.0
redhat/enterprise_linux_desktop
7.0
... and 11 more
Published
Jun 11, 2018
Tracked Since
Feb 18, 2026