CVE-2017-7787

Same-origin policy protections can be bypassed on pages with embedded iframes during page reloads, allowing the iframes to access content on the top level page, leading to information disclosure. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
mozillaCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 76%
VendorProductVersion
debiandebian_linux
8.0
debiandebian_linux
9.0
redhatenterprise_linux
5.0
redhatenterprise_linux
6.0
redhatenterprise_linux
7.0
redhatenterprise_linux_desktop
5.0
redhatenterprise_linux_desktop
6.0
redhatenterprise_linux_desktop
7.0
redhatenterprise_linux_server
5.0
redhatenterprise_linux_server
6.0
redhatenterprise_linux_server
7.0
redhatenterprise_linux_server_aus
7.3
redhatenterprise_linux_server_aus
7.4
redhatenterprise_linux_server_eus
7.3
redhatenterprise_linux_server_eus
7.4
redhatenterprise_linux_server_eus
7.5
redhatenterprise_linux_workstation
5.0
redhatenterprise_linux_workstation
6.0
redhatenterprise_linux_workstation
7.0
mozillathunderbird
𝑥
< 52.3
mozillafirefox
𝑥
< 55.0
mozillafirefox_esr
𝑥
< 52.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
132.0.1-1
fixed
firefox-esr
bullseye
115.14.0esr-1~deb11u1
fixed
bullseye (security)
128.4.0esr-1~deb11u1
fixed
bookworm
115.14.0esr-1~deb12u1
fixed
bookworm (security)
128.4.0esr-1~deb12u1
fixed
trixie
128.3.1esr-2
fixed
sid
128.4.0esr-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
disco
Fixed 55.0.2+build1-0ubuntu4
released
cosmic
Fixed 55.0.2+build1-0ubuntu4
released
bionic
Fixed 55.0.2+build1-0ubuntu4
released
artful
Fixed 55.0.2+build1-0ubuntu4
released
zesty
Fixed 55.0.1+build2-0ubuntu0.17.04.2
released
xenial
Fixed 55.0.1+build2-0ubuntu0.16.04.2
released
trusty
Fixed 55.0.1+build2-0ubuntu0.14.04.2
released
mozjs38
disco
dne
cosmic
dne
bionic
not-affected
artful
ignored
zesty
ignored
xenial
dne
trusty
dne
thunderbird
disco
Fixed 1:52.4.0+build1-0ubuntu2
released
cosmic
Fixed 1:52.4.0+build1-0ubuntu2
released
bionic
Fixed 1:52.4.0+build1-0ubuntu2
released
artful
Fixed 1:52.4.0+build1-0ubuntu2
released
zesty
Fixed 1:52.3.0+build1-0ubuntu0.17.04.1
released
xenial
Fixed 1:52.3.0+build1-0ubuntu0.16.04.1
released
trusty
Fixed 1:52.3.0+build1-0ubuntu0.14.04.1
released