CVE-2018-19839
Published: 4 December 2018
In LibSass prior to 3.5.5, the function handle_error in sass_context.cpp allows attackers to cause a denial-of-service resulting from a heap-based buffer over-read via a crafted sass 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)
|
|
| mantic |
Not vulnerable
(3.5.5-4)
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Needed
|
|
|
Patches: upstream: https://github.com/sass/libsass/commit/2cabd116b95d67dcd9d44fcb936dee03f4fc71b9 |
||
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 |