Upstream information
Description
A NULL pointer dereference is present in libyang before v1.0-r3 in the function lys_extension_instances_free() due to a copy of unresolved extensions in lys_restr_dup(). Applications that use libyang to parse untrusted input yang files may crash.SUSE information
Overall state of this security issue: Does not affect SUSE products
This issue is currently rated as having moderate severity.
| 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 |
| National Vulnerability Database | |
|---|---|
| Base Score | 6.5 |
| Vector | CVSS:3.1/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 | 3.1 |
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Please note that this evaluation state might be work in progress, incomplete or outdated.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 03:18:00 2020CVE page last modified: Thu Oct 10 00:35:01 2024