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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.4226 Security update for libssh2_org 1 December 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libssh2_org Publisher: SUSE Operating System: SUSE Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Access Confidential Data -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-17498 CVE-2019-3863 CVE-2019-3862 CVE-2019-3861 CVE-2019-3860 CVE-2019-3859 CVE-2019-3858 CVE-2019-3857 CVE-2019-3856 CVE-2019-3855 Reference: ESB-2019.4461 ESB-2019.4223 ESB-2019.3194 Original Bulletin: https://www.suse.com/support/update/announcement/2020/suse-su-20203551-1 - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for libssh2_org ______________________________________________________________________________ Announcement ID: SUSE-SU-2020:3551-1 Rating: moderate References: #1130103 #1178083 Cross-References: CVE-2019-17498 CVE-2019-3855 CVE-2019-3856 CVE-2019-3857 CVE-2019-3858 CVE-2019-3859 CVE-2019-3860 CVE-2019-3861 CVE-2019-3862 CVE-2019-3863 Affected Products: SUSE Linux Enterprise Server for SAP 15 SUSE Linux Enterprise Server 15-LTSS SUSE Linux Enterprise Module for Basesystem 15-SP2 SUSE Linux Enterprise Module for Basesystem 15-SP1 SUSE Linux Enterprise High Performance Computing 15-LTSS SUSE Linux Enterprise High Performance Computing 15-ESPOS ______________________________________________________________________________ An update that fixes 10 vulnerabilities, contains one feature is now available. Description: This update for libssh2_org fixes the following issues: o Version update to 1.9.0: [bsc#1178083, jsc#SLE-16922] Enhancements and bugfixes: * adds ECDSA keys and host key support when using OpenSSL * adds ED25519 key and host key support when using OpenSSL 1.1.1 * adds OpenSSH style key file reading * adds AES CTR mode support when using WinCNG * adds PEM passphrase protected file support for Libgcrypt and WinCNG * adds SHA256 hostkey fingerprint * adds libssh2_agent_get_identity_path() and libssh2_agent_set_identity_path() * adds explicit zeroing of sensitive data in memory * adds additional bounds checks to network buffer reads * adds the ability to use the server default permissions when creating sftp directories * adds support for building with OpenSSL no engine flag * adds support for building with LibreSSL * increased sftp packet size to 256k * fixed oversized packet handling in sftp * fixed building with OpenSSL 1.1 * fixed a possible crash if sftp stat gets an unexpected response * fixed incorrect parsing of the KEX preference string value * fixed conditional RSA and AES-CTR support * fixed a small memory leak during the key exchange process * fixed a possible memory leak of the ssh banner string * fixed various small memory leaks in the backends * fixed possible out of bounds read when parsing public keys from the server * fixed possible out of bounds read when parsing invalid PEM files * no longer null terminates the scp remote exec command * now handle errors when diffie hellman key pair generation fails * improved building instructions * improved unit tests o Version update to 1.8.2: [bsc#1130103] Bug fixes: * Fixed the misapplied userauth patch that broke 1.8.1 * moved the MAX size declarations from the public header 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 SUSE Linux Enterprise Server for SAP 15: zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-3551=1 o SUSE Linux Enterprise Server 15-LTSS: zypper in -t patch SUSE-SLE-Product-SLES-15-2020-3551=1 o SUSE Linux Enterprise Module for Basesystem 15-SP2: zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-3551=1 o SUSE Linux Enterprise Module for Basesystem 15-SP1: zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-3551=1 o SUSE Linux Enterprise High Performance Computing 15-LTSS: zypper in -t patch SUSE-SLE-Product-HPC-15-2020-3551=1 o SUSE Linux Enterprise High Performance Computing 15-ESPOS: zypper in -t patch SUSE-SLE-Product-HPC-15-2020-3551=1 Package List: o SUSE Linux Enterprise Server for SAP 15 (ppc64le x86_64): libssh2-1-1.9.0-4.13.1 libssh2-1-debuginfo-1.9.0-4.13.1 libssh2-devel-1.9.0-4.13.1 libssh2_org-debugsource-1.9.0-4.13.1 o SUSE Linux Enterprise Server for SAP 15 (x86_64): libssh2-1-32bit-1.9.0-4.13.1 libssh2-1-32bit-debuginfo-1.9.0-4.13.1 o SUSE Linux Enterprise Server 15-LTSS (aarch64 s390x): libssh2-1-1.9.0-4.13.1 libssh2-1-debuginfo-1.9.0-4.13.1 libssh2-devel-1.9.0-4.13.1 libssh2_org-debugsource-1.9.0-4.13.1 o SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x x86_64): libssh2-1-1.9.0-4.13.1 libssh2-1-debuginfo-1.9.0-4.13.1 libssh2-devel-1.9.0-4.13.1 libssh2_org-debugsource-1.9.0-4.13.1 o SUSE Linux Enterprise Module for Basesystem 15-SP2 (x86_64): libssh2-1-32bit-1.9.0-4.13.1 libssh2-1-32bit-debuginfo-1.9.0-4.13.1 o SUSE Linux Enterprise Module for Basesystem 15-SP1 (aarch64 ppc64le s390x x86_64): libssh2-1-1.9.0-4.13.1 libssh2-1-debuginfo-1.9.0-4.13.1 libssh2-devel-1.9.0-4.13.1 libssh2_org-debugsource-1.9.0-4.13.1 o SUSE Linux Enterprise Module for Basesystem 15-SP1 (x86_64): libssh2-1-32bit-1.9.0-4.13.1 libssh2-1-32bit-debuginfo-1.9.0-4.13.1 o SUSE Linux Enterprise High Performance Computing 15-LTSS (aarch64 x86_64): libssh2-1-1.9.0-4.13.1 libssh2-1-debuginfo-1.9.0-4.13.1 libssh2-devel-1.9.0-4.13.1 libssh2_org-debugsource-1.9.0-4.13.1 o SUSE Linux Enterprise High Performance Computing 15-LTSS (x86_64): libssh2-1-32bit-1.9.0-4.13.1 libssh2-1-32bit-debuginfo-1.9.0-4.13.1 o SUSE Linux Enterprise High Performance Computing 15-ESPOS (aarch64 x86_64): libssh2-1-1.9.0-4.13.1 libssh2-1-debuginfo-1.9.0-4.13.1 libssh2-devel-1.9.0-4.13.1 libssh2_org-debugsource-1.9.0-4.13.1 o SUSE Linux Enterprise High Performance Computing 15-ESPOS (x86_64): libssh2-1-32bit-1.9.0-4.13.1 libssh2-1-32bit-debuginfo-1.9.0-4.13.1 References: o https://www.suse.com/security/cve/CVE-2019-17498.html o https://www.suse.com/security/cve/CVE-2019-3855.html o https://www.suse.com/security/cve/CVE-2019-3856.html o https://www.suse.com/security/cve/CVE-2019-3857.html o https://www.suse.com/security/cve/CVE-2019-3858.html o https://www.suse.com/security/cve/CVE-2019-3859.html o https://www.suse.com/security/cve/CVE-2019-3860.html o https://www.suse.com/security/cve/CVE-2019-3861.html o https://www.suse.com/security/cve/CVE-2019-3862.html o https://www.suse.com/security/cve/CVE-2019-3863.html o https://bugzilla.suse.com/1130103 o https://bugzilla.suse.com/1178083 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. 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). 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