CVE-2018-20821
Published: 23 April 2019
The parsing component in LibSass through 3.5.5 allows attackers to cause a denial-of-service (uncontrolled recursion in Sass::Parser::parse_css_variable_value in parser.cpp).
Priority
Status
Package | Release | Status |
---|---|---|
libsass Launchpad, Ubuntu, Debian |
kinetic |
Ignored
(end of life, was needed)
|
hirsute |
Ignored
(end of life)
|
|
jammy |
Needed
|
|
impish |
Ignored
(end of life)
|
|
bionic |
Not vulnerable
(code not present)
|
|
cosmic |
Ignored
(end of life)
|
|
disco |
Ignored
(end of life)
|
|
eoan |
Ignored
(end of life)
|
|
focal |
Needed
|
|
groovy |
Ignored
(end of life)
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
(code not present)
|
|
mantic |
Needed
|
|
lunar |
Ignored
(end of life, was needed)
|
|
Patches: upstream: https://github.com/sass/libsass/commit/c9987a4206ee444bc09a3be7a690a506dfc37636 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |