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CVE-2018-20190

Date: December 17, 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.

Language: C++

Severity Score

6.5

Related Resources (8)

Url: http://www.securityfocus.com/bid/106232

Url: https://github.com/sass/libsass/issues/2786

Url: http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html

Url: http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2018-20190

Url: http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html

Url: https://security-tracker.debian.org/tracker/CVE-2018-20190

Url: https://www.mend.io/vulnerability-database/CVE-2018-20190

Severity Score

6.5

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:	6.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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