CVE-2017-7821

EUVD-2017-16796
A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types. This can be triggered without specific user interaction for the file download and open actions. This could be used to trigger known vulnerabilities in the programs that handle those document types. This vulnerability affects Firefox < 56.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 85%
Affected Products (NVD)
VendorProductVersion
mozillafirefox
𝑥
≤ 55.0.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
132.0.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
artful
Fixed 56.0+build6-0ubuntu1
released
bionic
Fixed 56.0+build6-0ubuntu1
released
trusty
Fixed 56.0+build6-0ubuntu0.14.04.1
released
xenial
Fixed 56.0+build6-0ubuntu0.16.04.1
released
zesty
Fixed 56.0+build6-0ubuntu0.17.04.1
released
Common Weakness Enumeration
References
http://www.securityfocus.com/bid/101057
http://www.securitytracker.com/id/1039465
https://bugzilla.mozilla.org/show_bug.cgi?id=1346515
https://www.mozilla.org/security/advisories/mfsa2017-21/
http://www.securityfocus.com/bid/101057
http://www.securitytracker.com/id/1039465
https://bugzilla.mozilla.org/show_bug.cgi?id=1346515
https://www.mozilla.org/security/advisories/mfsa2017-21/