CVE-2017-7781
Published: 10 August 2017
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.
Notes
Author | Note |
---|---|
tyhicks | mozjs38 contains a copy of the SpiderMonkey JavaScript engine |
Priority
Status
Package | Release | Status |
---|---|---|
firefox Launchpad, Ubuntu, Debian |
hirsute |
Released
(55.0.2+build1-0ubuntu4)
|
artful |
Released
(55.0.2+build1-0ubuntu4)
|
|
bionic |
Released
(55.0.2+build1-0ubuntu4)
|
|
cosmic |
Released
(55.0.2+build1-0ubuntu4)
|
|
disco |
Released
(55.0.2+build1-0ubuntu4)
|
|
eoan |
Released
(55.0.2+build1-0ubuntu4)
|
|
focal |
Released
(55.0.2+build1-0ubuntu4)
|
|
groovy |
Released
(55.0.2+build1-0ubuntu4)
|
|
impish |
Released
(55.0.2+build1-0ubuntu4)
|
|
jammy |
Released
(55.0.2+build1-0ubuntu4)
|
|
kinetic |
Released
(55.0.2+build1-0ubuntu4)
|
|
lunar |
Released
(55.0.2+build1-0ubuntu4)
|
|
trusty |
Released
(55.0.1+build2-0ubuntu0.14.04.2)
|
|
upstream |
Released
(55.0)
|
|
xenial |
Released
(55.0.1+build2-0ubuntu0.16.04.2)
|
|
zesty |
Released
(55.0.1+build2-0ubuntu0.17.04.2)
|
|
mantic |
Released
(55.0.2+build1-0ubuntu4)
|
|
mozjs38 Launchpad, Ubuntu, Debian |
hirsute |
Does not exist
|
artful |
Ignored
(end of life)
|
|
bionic |
Needs triage
|
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
groovy |
Does not exist
|
|
impish |
Does not exist
|
|
jammy |
Does not exist
|
|
kinetic |
Does not exist
|
|
lunar |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
zesty |
Ignored
(end of life)
|
|
mantic |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.9 |
Attack vector | Network |
Attack complexity | High |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |