CVE-2017-7781

EUVD-2017-16756
An error occurs in the elliptic curve point addition algorithm that uses mixed Jacobian-affine coordinates where it can yield a result "POINT_AT_INFINITY" when it should not. A man-in-the-middle attacker could use this to interfere with a connection, resulting in an attacked party computing an incorrect shared secret. This vulnerability affects Firefox < 55.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 75%
Affected Products (NVD)
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
artful
Fixed 55.0.2+build1-0ubuntu4
released
bionic
Fixed 55.0.2+build1-0ubuntu4
released
cosmic
Fixed 55.0.2+build1-0ubuntu4
released
disco
Fixed 55.0.2+build1-0ubuntu4
released
eoan
Fixed 55.0.2+build1-0ubuntu4
released
focal
Fixed 55.0.2+build1-0ubuntu4
released
groovy
Fixed 55.0.2+build1-0ubuntu4
released
hirsute
Fixed 55.0.2+build1-0ubuntu4
released
impish
Fixed 55.0.2+build1-0ubuntu4
released
jammy
Fixed 55.0.2+build1-0ubuntu4
released
kinetic
Fixed 55.0.2+build1-0ubuntu4
released
lunar
Fixed 55.0.2+build1-0ubuntu4
released
mantic
Fixed 55.0.2+build1-0ubuntu4
released
noble
Fixed 55.0.2+build1-0ubuntu4
released
trusty
Fixed 55.0.1+build2-0ubuntu0.14.04.2
released
xenial
Fixed 55.0.1+build2-0ubuntu0.16.04.2
released
zesty
Fixed 55.0.1+build2-0ubuntu0.17.04.2
released
mozjs38
artful
ignored
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
zesty
ignored