CVE-2018-18506

EUVD-2018-10231
When proxy auto-detection is enabled, if a web server serves a Proxy Auto-Configuration (PAC) file or if a PAC file is loaded locally, this PAC file can specify that requests to the localhost are to be sent through the proxy to another server. This behavior is disallowed by default when a proxy is manually configured, but when enabled could allow for attacks on services and tools that bind to the localhost for networked behavior if they are accessed through browsing. This vulnerability affects Firefox < 65.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 84%
Affected Products (NVD)
VendorProductVersion
mozillafirefox
𝑥
< 65.0
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
18.10
debiandebian_linux
8.0
debiandebian_linux
9.0
redhatenterprise_linux
8.0
redhatenterprise_linux_desktop
6.0
redhatenterprise_linux_desktop
7.0
redhatenterprise_linux_eus
8.1
redhatenterprise_linux_eus
8.2
redhatenterprise_linux_eus
8.4
redhatenterprise_linux_eus
8.6
redhatenterprise_linux_server
6.0
redhatenterprise_linux_server
7.0
redhatenterprise_linux_server_aus
7.6
redhatenterprise_linux_server_aus
8.2
redhatenterprise_linux_server_aus
8.4
redhatenterprise_linux_server_aus
8.6
redhatenterprise_linux_server_eus
7.6
redhatenterprise_linux_server_tus
7.6
redhatenterprise_linux_server_tus
8.2
redhatenterprise_linux_server_tus
8.4
redhatenterprise_linux_server_tus
8.6
redhatenterprise_linux_workstation
6.0
redhatenterprise_linux_workstation
7.0
opensuseleap
15.0
opensuseleap
42.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
132.0.1-1
fixed
firefox-esr
bookworm
115.14.0esr-1~deb12u1
fixed
bookworm (security)
128.4.0esr-1~deb12u1
fixed
bullseye
115.14.0esr-1~deb11u1
fixed
bullseye (security)
128.4.0esr-1~deb11u1
fixed
sid
128.4.0esr-1
fixed
trixie
128.3.1esr-2
fixed
thunderbird
bookworm
1:115.12.0-1~deb12u1
fixed
bookworm (security)
1:115.16.0esr-1~deb12u1
fixed
bullseye
1:115.12.0-1~deb11u1
fixed
bullseye (security)
1:128.4.0esr-1~deb11u1
fixed
sid
1:128.4.0esr-1
fixed
trixie
1:128.4.0esr-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
bionic
Fixed 65.0+build2-0ubuntu0.18.04.1
released
cosmic
Fixed 65.0+build2-0ubuntu0.18.10.1
released
disco
Fixed 65.0+build2-0ubuntu1
released
eoan
Fixed 65.0+build2-0ubuntu1
released
focal
Fixed 65.0+build2-0ubuntu1
released
groovy
Fixed 65.0+build2-0ubuntu1
released
hirsute
Fixed 65.0+build2-0ubuntu1
released
impish
Fixed 65.0+build2-0ubuntu1
released
jammy
Fixed 65.0+build2-0ubuntu1
released
kinetic
Fixed 65.0+build2-0ubuntu1
released
lunar
Fixed 65.0+build2-0ubuntu1
released
mantic
Fixed 65.0+build2-0ubuntu1
released
noble
Fixed 65.0+build2-0ubuntu1
released
trusty
Fixed 65.0+build2-0ubuntu0.14.04.1
released
xenial
Fixed 65.0+build2-0ubuntu0.16.04.1
released
mozjs38
bionic
ignored
cosmic
dne
disco
dne
eoan
dne
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
mozjs52
bionic
ignored
cosmic
ignored
disco
ignored
eoan
ignored
focal
ignored
groovy
ignored
hirsute
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
mozjs60
bionic
dne
cosmic
ignored
disco
ignored
eoan
ignored
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
thunderbird
bionic
Fixed 1:60.6.1+build2-0ubuntu0.18.04.1
released
cosmic
Fixed 1:60.6.1+build2-0ubuntu0.18.10.1
released
disco
Fixed 60.6.1+build2-0ubuntu1
released
eoan
Fixed 60.6.1+build2-0ubuntu1
released
focal
Fixed 60.6.1+build2-0ubuntu1
released
groovy
Fixed 60.6.1+build2-0ubuntu1
released
hirsute
Fixed 60.6.1+build2-0ubuntu1
released
impish
Fixed 60.6.1+build2-0ubuntu1
released
jammy
Fixed 60.6.1+build2-0ubuntu1
released
kinetic
Fixed 60.6.1+build2-0ubuntu1
released
lunar
Fixed 60.6.1+build2-0ubuntu1
released
mantic
Fixed 60.6.1+build2-0ubuntu1
released
noble
Fixed 60.6.1+build2-0ubuntu1
released
trusty
Fixed 1:60.6.1+build2-0ubuntu0.14.04.1
released
xenial
Fixed 1:60.6.1+build2-0ubuntu0.16.04.1
released
References