Upstream information

CVE-2019-20394 at MITRE

Description

A double-free is present in libyang before v1.0-r3 in the function yyparse() when a type statement in used in a notification statement. Applications that use libyang to parse untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 6.8
Vector AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 8.8
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1161659 [NEW]

No SUSE Security Announcements cross referenced.


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Please note that this evaluation state might be work in progress, incomplete or outdated.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 High Performance Computing 15 SP5 libyang Analysis
SUSE Linux Enterprise Module for Server Applications 15 SP5 libyang Analysis
SUSE Linux Enterprise Server 15 SP5 libyang Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP5 libyang Analysis
SUSE Manager Proxy 4.3 libyang Analysis
SUSE Manager Retail Branch Server 4.3 libyang Analysis
SUSE Manager Server 4.3 libyang Analysis
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP3 libyang Analysis
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS libyang Analysis
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS libyang Analysis
SUSE Linux Enterprise High Performance Computing 15 SP4 libyang Analysis
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS libyang Analysis
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS libyang Analysis
SUSE Linux Enterprise Module for Server Applications 15 SP3 libyang Analysis
SUSE Linux Enterprise Module for Server Applications 15 SP4 libyang Analysis
SUSE Linux Enterprise Server 15 SP3 libyang Analysis
SUSE Linux Enterprise Server 15 SP3-LTSS libyang Analysis
SUSE Linux Enterprise Server 15 SP4 libyang Analysis
SUSE Linux Enterprise Server 15 SP4-LTSS libyang Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP3 libyang Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP4 libyang Analysis
Products past their end of life and not receiving proactive updates anymore.
SUSE Enterprise Storage 7.1 libyang Unsupported
SUSE Linux Enterprise Real Time 15 SP3 libyang Unsupported
SUSE Linux Enterprise Real Time 15 SP4 libyang Analysis
SUSE Linux Enterprise Server 15 SP3-BCL libyang Analysis
SUSE Manager Proxy 4.2 libyang Unsupported
SUSE Manager Retail Branch Server 4.2 libyang Unsupported
SUSE Manager Server 4.2 libyang Unsupported
openSUSE Leap 15.3 libyang Analysis
openSUSE Leap 15.4 libyang Analysis


SUSE Timeline for this CVE

CVE page created: Thu Jan 23 03:17:55 2020
CVE page last modified: Thu Oct 10 00:35:00 2024