CVE-2018-20822

Upstream information

CVE-2018-20822 at MITRE

Description

LibSass 3.5.4 allows attackers to cause a denial-of-service (uncontrolled recursion in Sass::Complex_Selector::perform in ast.hpp and Sass::Inspect::operator in inspect.cpp).

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SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores

	National Vulnerability Database
Base Score	4.3
Vector	AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector	Network
Access Complexity	Medium
Authentication	None
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Partial

CVSS v3 Scores

	National Vulnerability Database
Base Score	6.5
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Access Vector	Network
Access Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	High
CVSSv3 Version	3

SUSE Bugzilla entry: 1133201 [RESOLVED / FIXED]

SUSE Security Advisories:

• openSUSE-SU-2019:1791-1, published Tue, 23 Jul 2019 18:14:28 +0200 (CEST)
• openSUSE-SU-2019:1800-1, published Wed, 24 Jul 2019 18:11:17 +0200 (CEST)
• openSUSE-SU-2019:1883-1, published Wed, 14 Aug 2019 18:12:03 +0200 (CEST)

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Package Hub 15 SP1	libsass-3_6_1-1 >= 3.6.1-bp151.4.3.1 libsass-devel >= 3.6.1-bp151.4.3.1	Patchnames: openSUSE-2019-1883
SUSE Package Hub 15	libsass-3_6_1-1 >= 3.6.1-bp150.3.3.1 libsass-devel >= 3.6.1-bp150.3.3.1	Patchnames: openSUSE-2019-1800
openSUSE Leap 15.0	libsass-3_6_1-1 >= 3.6.1-lp150.2.3.1 libsass-devel >= 3.6.1-lp150.2.3.1	Patchnames: openSUSE-2019-1791
openSUSE Leap 15.1	libsass-3_6_1-1 >= 3.6.1-lp151.3.3.1 libsass-devel >= 3.6.1-lp151.3.3.1	Patchnames: openSUSE-2019-1791
openSUSE Tumbleweed	libsass-3_6_5-1 >= 3.6.5-1.2 libsass-devel >= 3.6.5-1.2	Patchnames: openSUSE Tumbleweed GA libsass-3_6_5-1-3.6.5-1.2