01 April 2019
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.1075 SUSE-SU-2019:13997-1 Security update for libssh2_org 1 April 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libssh2_org Publisher: SUSE Operating System: SUSE Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Access Privileged Data -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: 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-2019.1047 ESB-2019.0996 ESB-2019.0911 ESB-2019.0894 Original Bulletin: https://www.suse.com/support/update/announcement/2019/suse-su-201913997-1.html - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for libssh2_org ______________________________________________________________________________ Announcement ID: SUSE-SU-2019:13997-1 Rating: moderate References: #1091236 #1128471 #1128472 #1128474 #1128476 #1128480 #1128481 #1128490 #1128492 #1128493 Cross-References: 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 Point of Sale 11-SP3 SUSE Linux Enterprise Debuginfo 11-SP3 ______________________________________________________________________________ An update that solves 9 vulnerabilities and has one errata is now available. Description: This update for libssh2_org fixes the following issues: Security issues fixed: o CVE-2019-3861: Fixed Out-of-bounds reads with specially crafted SSH packets (bsc#1128490). o CVE-2019-3862: Fixed Out-of-bounds memory comparison with specially crafted message channel request packet (bsc#1128492). o CVE-2019-3860: Fixed Out-of-bounds reads with specially crafted SFTP packets (bsc#1128481). o CVE-2019-3863: Fixed an Integer overflow in user authenticate keyboard interactive which could allow out-of-bounds writes with specially crafted keyboard responses (bsc#1128493). o CVE-2019-3856: Fixed a potential Integer overflow in keyboard interactive handling which could allow out-of-bounds write with specially crafted payload (bsc#1128472). o CVE-2019-3859: Fixed Out-of-bounds reads with specially crafted payloads due to unchecked use of _libssh2_packet_require and _libssh2_packet_requirev (bsc#1128480). o CVE-2019-3855: Fixed a potential Integer overflow in transport read which could allow out-of-bounds write with specially crafted payload (bsc# 1128471). o CVE-2019-3858: Fixed a potential zero-byte allocation which could lead to an out-of-bounds read with a specially crafted SFTP packet (bsc#1128476). o CVE-2019-3857: Fixed a potential Integer overflow which could lead to zero-byte allocation and out-of-bounds with specially crafted message channel request SSH packet (bsc#1128474). Other issue addressed: o Fixed an issue where libssh2 stops parsing known_hosts (bsc#1091236). 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 Point of Sale 11-SP3: zypper in -t patch sleposp3-libssh2_org-13997=1 o SUSE Linux Enterprise Debuginfo 11-SP3: zypper in -t patch dbgsp3-libssh2_org-13997=1 Package List: o SUSE Linux Enterprise Point of Sale 11-SP3 (i586): libssh2-1-1.2.9-18.104.22.168.1 o SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64): libssh2_org-debuginfo-1.2.9-22.214.171.124.1 libssh2_org-debugsource-1.2.9-126.96.36.199.1 References: 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/1091236 o https://bugzilla.suse.com/1128471 o https://bugzilla.suse.com/1128472 o https://bugzilla.suse.com/1128474 o https://bugzilla.suse.com/1128476 o https://bugzilla.suse.com/1128480 o https://bugzilla.suse.com/1128481 o https://bugzilla.suse.com/1128490 o https://bugzilla.suse.com/1128492 o https://bugzilla.suse.com/1128493 - --------------------------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 email@example.com 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: firstname.lastname@example.org 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: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXKFemGaOgq3Tt24GAQiO9g//SKBtJ/jElYrFlPHsQbVgxzd1IF9BHIqs La+xby3lRCsYjwx3lncyz59a/PVZ/coVLGay4esK9mKTNP2zIevBZ4ozkUSPdgpQ 1uU9xj5lNgpIMQMnsYotGItC/gTP1Ub28MitRu/KkQhb+6eYaMUX6UiSijWbTsm6 /2bCN+VNygtd8hmqTrfpLXTag8YMk+H9wyAw9vdBQa7pa7xr1GjVdSgRj9LRnUQ0 OPrC9sibdat5L7EZFZtBWx/GRESmUTf7uW9V5aLIlWN0avB9KQDFDt46qYPHSLUi jn8ZmAs0+sW9d3WC9XmLdN1VcWsz3UQWx0NdWwIRg2VUFh/M9iA1iVBbSDbnRiHD 7VHQlM2gr1YSc8a7qT4AxBJmTeQsUAHuapgzGU0gU9SnxOlCt7FTkIr6SGjXJxDl pVr5rP54PAVxFZs4bz6p3+/sYnlFedIYvvEKDXd+9Bk4GmYYrUXw3DD/baxeXM2c 8juCqHHhOf9VuE/AFPIK6otPwqtcFD8ASMc1veMmHl9kXS+68qN6VVGj14gtpgOE ZQjlb3Tu0AfkkwEJiqLQeLqilG/pR5SPVwqgrbtuPpPHABuN7QJgbZIpGngAqHGo U9pIEspf/BZpOOZxSkxy6G2YGMT94YdcodFX7Fs+yjfrM4GCEXMZHuzkbRqOChls CVyDjN2gLzE= =IS7x -----END PGP SIGNATURE-----