CVE-2017-7789

If a server sends two Strict-Transport-Security (STS) headers for a single connection, they will be rejected as invalid and HTTP Strict Transport Security (HSTS) will not be enabled for the connection. This vulnerability affects Firefox < 55.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
mozillaCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 74%
VendorProductVersion
mozillafirefox
𝑥
< 55.0
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
zesty
Fixed 55.0.1+build2-0ubuntu0.17.04.2
released
yakkety
ignored
xenial
Fixed 55.0.1+build2-0ubuntu0.16.04.2
released
trusty
Fixed 55.0.1+build2-0ubuntu0.14.04.2
released
mozjs38
zesty
not-affected
yakkety
dne
xenial
dne
trusty
dne
References
http://www.securityfocus.com/bid/100374
http://www.securitytracker.com/id/1039124
https://bugzilla.mozilla.org/show_bug.cgi?id=1074642
https://www.mozilla.org/security/advisories/mfsa2017-18/
http://www.securityfocus.com/bid/100374
http://www.securitytracker.com/id/1039124
https://bugzilla.mozilla.org/show_bug.cgi?id=1074642
https://www.mozilla.org/security/advisories/mfsa2017-18/