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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.4514 Security update for libyang 13 September 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libyang Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2021-28906 CVE-2021-28904 CVE-2021-28903 CVE-2021-28902 Original Bulletin: https://www.suse.com/support/update/announcement/2022/suse-su-20223245-1 Comment: CVSS (Max): 7.5 CVE-2021-28906 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for libyang ______________________________________________________________________________ Announcement ID: SUSE-SU-2022:3245-1 Rating: important References: #1186374 #1186375 #1186376 #1186378 Cross-References: CVE-2021-28902 CVE-2021-28903 CVE-2021-28904 CVE-2021-28906 Affected Products: SUSE Linux Enterprise High Performance Computing 15-SP3 SUSE Linux Enterprise High Performance Computing 15-SP4 SUSE Linux Enterprise Module for Server Applications 15-SP3 SUSE Linux Enterprise Module for Server Applications 15-SP4 SUSE Linux Enterprise Server 15-SP3 SUSE Linux Enterprise Server 15-SP4 SUSE Linux Enterprise Server for SAP Applications 15-SP3 SUSE Linux Enterprise Server for SAP Applications 15-SP4 SUSE Linux Enterprise Storage 7.1 SUSE Manager Proxy 4.2 SUSE Manager Proxy 4.3 SUSE Manager Retail Branch Server 4.2 SUSE Manager Retail Branch Server 4.3 SUSE Manager Server 4.2 SUSE Manager Server 4.3 openSUSE Leap 15.3 openSUSE Leap 15.4 ______________________________________________________________________________ An update that fixes four vulnerabilities is now available. Description: This update for libyang fixes the following issues: o CVE-2021-28906: Fixed missing check in read_yin_leaf that can lead to DoS (bsc#1186378) o CVE-2021-28904: Fixed missing check in ext_get_plugin that lead to DoS (bsc #1186376). o CVE-2021-28903: Fixed stack overflow in lyxml_parse_mem (bsc#1186375). o CVE-2021-28902: Fixed missing check in read_yin_container that can lead to DoS (bsc#1186374). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: o openSUSE Leap 15.4: zypper in -t patch openSUSE-SLE-15.4-2022-3245=1 o openSUSE Leap 15.3: zypper in -t patch openSUSE-SLE-15.3-2022-3245=1 o SUSE Linux Enterprise Module for Server Applications 15-SP4: zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP4-2022-3245=1 o SUSE Linux Enterprise Module for Server Applications 15-SP3: zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2022-3245=1 Package List: o openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64): libyang-cpp-devel-1.0.184-150300.3.6.1 libyang-cpp1-1.0.184-150300.3.6.1 libyang-cpp1-debuginfo-1.0.184-150300.3.6.1 libyang-debuginfo-1.0.184-150300.3.6.1 libyang-debugsource-1.0.184-150300.3.6.1 libyang-devel-1.0.184-150300.3.6.1 libyang-extentions-1.0.184-150300.3.6.1 libyang-extentions-debuginfo-1.0.184-150300.3.6.1 libyang1-1.0.184-150300.3.6.1 libyang1-debuginfo-1.0.184-150300.3.6.1 python3-yang-1.0.184-150300.3.6.1 python3-yang-debuginfo-1.0.184-150300.3.6.1 yang-tools-1.0.184-150300.3.6.1 yang-tools-debuginfo-1.0.184-150300.3.6.1 o openSUSE Leap 15.4 (noarch): libyang-doc-1.0.184-150300.3.6.1 o openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64): libyang-cpp-devel-1.0.184-150300.3.6.1 libyang-cpp1-1.0.184-150300.3.6.1 libyang-cpp1-debuginfo-1.0.184-150300.3.6.1 libyang-debuginfo-1.0.184-150300.3.6.1 libyang-debugsource-1.0.184-150300.3.6.1 libyang-devel-1.0.184-150300.3.6.1 libyang-extentions-1.0.184-150300.3.6.1 libyang-extentions-debuginfo-1.0.184-150300.3.6.1 libyang1-1.0.184-150300.3.6.1 libyang1-debuginfo-1.0.184-150300.3.6.1 python3-yang-1.0.184-150300.3.6.1 python3-yang-debuginfo-1.0.184-150300.3.6.1 yang-tools-1.0.184-150300.3.6.1 yang-tools-debuginfo-1.0.184-150300.3.6.1 o openSUSE Leap 15.3 (noarch): libyang-doc-1.0.184-150300.3.6.1 o SUSE Linux Enterprise Module for Server Applications 15-SP4 (aarch64 ppc64le s390x x86_64): libyang-debuginfo-1.0.184-150300.3.6.1 libyang-debugsource-1.0.184-150300.3.6.1 libyang-extentions-1.0.184-150300.3.6.1 libyang-extentions-debuginfo-1.0.184-150300.3.6.1 libyang1-1.0.184-150300.3.6.1 libyang1-debuginfo-1.0.184-150300.3.6.1 o SUSE Linux Enterprise Module for Server Applications 15-SP3 (aarch64 ppc64le s390x x86_64): libyang-debuginfo-1.0.184-150300.3.6.1 libyang-debugsource-1.0.184-150300.3.6.1 libyang-extentions-1.0.184-150300.3.6.1 libyang-extentions-debuginfo-1.0.184-150300.3.6.1 libyang1-1.0.184-150300.3.6.1 libyang1-debuginfo-1.0.184-150300.3.6.1 References: o https://www.suse.com/security/cve/CVE-2021-28902.html o https://www.suse.com/security/cve/CVE-2021-28903.html o https://www.suse.com/security/cve/CVE-2021-28904.html o https://www.suse.com/security/cve/CVE-2021-28906.html o https://bugzilla.suse.com/1186374 o https://bugzilla.suse.com/1186375 o https://bugzilla.suse.com/1186376 o https://bugzilla.suse.com/1186378 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBYx/htMkNZI30y1K9AQgZMxAAm5Yb9pdedaEq+yJUKcusDrgrC0G4FFvD NRH09mt17DOsSwFJkB2XDNyNw5EVkQFgs6gBlLTXQnge3MB/K5k1bcafIqiiFptt YIe4epaCZM512FeV3E/1wk9r1A0ID03AoerGwyGlNjpIxGz9AkUWbABDcdBZCVXa K39Li3HMLeqJm64xOeNu8jNKblupl4WZEDQdwz/id9ZA907VWJj9Qrt7oDL+TnJp CMz5CAB5YaoH98kXHLTEb95pr9cFnVRAFsZsugQJvqCLnJItOI6udFORpizkcvA2 iCWmvYGRxScZ8il49PfYfhgt+vFNfc3zQS8Wri7wrGz/gqKZcyxip94irEo/pEv3 q6Qt8uowNQ1B7QLFUvH5s+y1rZnndxvQKnPfyE2dKXPLWvF4pxiyhHzR7lok3MsG 8Pt2jmvse+vXWWInqbrThSV9i9mb9jzZvp/4vBXp7vKfwBRadQhGqdWkTjczWTKp cx7d0AkjotwDUSY6xmWuB5dWYggkbVGdiCLeI7PkiMovUk0tFofweeOn/hQTR56i Akr8aq2XNGL/79gSoe5gUR6HCM9MqO0QXs4GGhio3qeAqxY+bQq3cPscqNYrkjDX IBz8la1K0kcKudZWmghaKpNwSt5Gl074uXOqtISmPf4ovUHDdieHAXL3CvfqWnY7 N0bCOV4MMTw= =Dtrd -----END PGP SIGNATURE-----