Vulnerability Details : CVE-2018-20190
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2018-20190
- cpe:2.3:a:sass-lang:libsass:3.5.5:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20190
0.34%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20190
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2018-20190
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20190
-
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html
[security-announce] openSUSE-SU-2019:1791-1: moderate: Security update f
-
https://github.com/sass/libsass/issues/2786
Null pointer dereference in Sass::Eval::operator()(Sass::Supports_Operator*) eval.cpp · Issue #2786 · sass/libsass · GitHubExploit;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html
[security-announce] openSUSE-SU-2019:1800-1: moderate: Security update f
-
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html
[security-announce] openSUSE-SU-2019:1883-1: moderate: Security update f
-
http://www.securityfocus.com/bid/106232
LibSass CVE-2018-20190 NULL Pointer Dereference Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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