CVE-2018-20190
Published: 17 December 2018
In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Eval::operator()(Sass::Supports_Operator*) in eval.cpp may cause a Denial of Service (application crash) via a crafted sass input file.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libsass
Launchpad, Ubuntu, Debian |
bionic |
Released
(3.4.8-1ubuntu0.1~esm1)
Available with Ubuntu Pro |
| cosmic |
Ignored
(end of life)
|
|
| disco |
Ignored
(end of life)
|
|
| eoan |
Not vulnerable
(3.5.5-4)
|
|
| focal |
Not vulnerable
(3.5.5-4)
|
|
| groovy |
Not vulnerable
(3.5.5-4)
|
|
| hirsute |
Not vulnerable
(3.5.5-4)
|
|
| impish |
Not vulnerable
(3.5.5-4)
|
|
| jammy |
Not vulnerable
(3.5.5-4)
|
|
| kinetic |
Not vulnerable
(3.5.5-4)
|
|
| lunar |
Not vulnerable
(3.5.5-4)
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code not present)
|
|
|
Patches:
upstream: https://github.com/sass/libsass/commit/98d8d5dadacc3cd07c738b3772f56317a7a306e7 |
||
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:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |