CVE-2017-12963
Published: 18 August 2017
There is an illegal address access in Sass::Eval::operator() in eval.cpp of LibSass 3.4.5, leading to a remote denial of service attack. NOTE: this is similar to CVE-2017-11555 but remains exploitable after the vendor's CVE-2017-11555 fix (available from GitHub after 2017-07-24).
Priority
Status
Package | Release | Status |
---|---|---|
libsass Launchpad, Ubuntu, Debian |
impish |
Ignored
(end of life)
|
hirsute |
Ignored
(end of life)
|
|
groovy |
Ignored
(end of life)
|
|
jammy |
Needed
|
|
xenial |
Needed
|
|
kinetic |
Ignored
(end of life, was needed)
|
|
artful |
Ignored
(end of life)
|
|
bionic |
Needed
|
|
cosmic |
Ignored
(end of life)
|
|
disco |
Ignored
(end of life)
|
|
eoan |
Ignored
(end of life)
|
|
focal |
Needed
|
|
trusty |
Does not exist
|
|
upstream |
Needed
|
|
zesty |
Ignored
(end of life)
|
|
mantic |
Needed
|
|
lunar |
Ignored
(end of life, was needed)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |