Executive Summary
| Summary | |
|---|---|
| Title | libyang security update |
| Informations | |||
|---|---|---|---|
| Name | RHSA-2019:4360 | First vendor Publication | 2019-12-23 |
| Vendor | RedHat | Last vendor Modification | 2019-12-23 |
| Severity (Vendor) | N/A | Revision | 01 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 9.8 | ||
| Base Score | 9.8 | Environmental Score | 9.8 |
| impact SubScore | 5.9 | Temporal Score | 9.8 |
| Exploitabality Sub Score | 3.9 | ||
| Attack Vector | Network | Attack Complexity | Low |
| Privileges Required | None | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | High |
| Integrity Impact | High | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P) | |||
|---|---|---|---|
| Cvss Base Score | 7.5 | Attack Range | Network |
| Cvss Impact Score | 6.4 | Attack Complexity | Low |
| Cvss Expoit Score | 10 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| Problem Description: An update for libyang is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64 3. Description: The libyang package provides a library for YANG data modeling language. libyang is a YANG data modelling language parser and toolkit written (and providing API) in C. The library is used e.g. in libnetconf2, Netopeer2, sysrepo and FRRouting projects. Security Fix(es): * libyang: stack-based buffer overflow in make_canonical when bits leaf type is used (CVE-2019-19333) * libyang: stack-based buffer overflow in make_canonical when identityref leaf type is used (CVE-2019-19334) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. IMPORTANT: The libyang-devel sub-package has recently been removed from the AppStream repository. If you have previously installed libyang-devel, remove it prior to applying this advisory to make the update successful. 4. Solution: If you have previously installed libyang-devel, remove it prior to applying this advisory to make the update successful. For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1779573 - CVE-2019-19333 libyang: stack-based buffer overflow in make_canonical when bits leaf type is used 1779576 - CVE-2019-19334 libyang: stack-based buffer overflow in make_canonical when identityref leaf type is used |
Original Source
| Url : https://rhn.redhat.com/errata/RHSA-2019-4360.html |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-787 | Out-of-bounds Write (CWE/SANS Top 25) |
CPE : Common Platform Enumeration
Alert History
| Date | Informations |
|---|---|
| 2020-05-23 13:03:44 |
|
| 2020-03-19 13:19:47 |
|
