Upstream information

CVE-2018-19838 at MITRE

Description

In LibSass prior to 3.5.5, functions inside ast.cpp for IMPLEMENT_AST_OPERATORS expansion allow attackers to cause a denial-of-service resulting from stack consumption via a crafted sass file, as demonstrated by recursive calls involving clone(), cloneChildren(), and copy().

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate 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
Attack Vector Network
Attack 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: 1118349 [RESOLVED / FIXED]

SUSE Security Advisories:

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

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Module for Package Hub 15 SP4 libsass Already fixed
SUSE Linux Enterprise Module for Package Hub 15 SP5 libsass Already fixed
Products past their end of life and not receiving proactive updates anymore.
SUSE Package Hub 15 libsass Released
SUSE Package Hub 15 SP1 libsass Released

SUSE Timeline for this CVE

CVE page created: Tue Dec 4 13:36:45 2018
CVE page last modified: Wed Sep 6 12:05:26 2023