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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0894 SUSE-SU-2019:13982-1 Security update for libssh2_org 20 March 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libssh2 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 Original Bulletin: https://www.suse.com/support/update/announcement/2019/suse-su-201913982-1.html - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for libssh2_org ______________________________________________________________________________ Announcement ID: SUSE-SU-2019:13982-1 Rating: moderate References: #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 Software Development Kit 11-SP4 SUSE Linux Enterprise Server 11-SP4 SUSE Linux Enterprise Debuginfo 11-SP4 ______________________________________________________________________________ An update that fixes 9 vulnerabilities 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 authenicate 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). 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 Software Development Kit 11-SP4: zypper in -t patch sdksp4-libssh2_org-13982=1 o SUSE Linux Enterprise Server 11-SP4: zypper in -t patch slessp4-libssh2_org-13982=1 o SUSE Linux Enterprise Debuginfo 11-SP4: zypper in -t patch dbgsp4-libssh2_org-13982=1 Package List: o SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 ia64 ppc64 s390x x86_64): libssh2-devel-1.4.3-17.3.1 o SUSE Linux Enterprise Software Development Kit 11-SP4 (ppc64 s390x x86_64): libssh2-1-32bit-1.4.3-17.3.1 o SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 x86_64): libssh2-1-1.4.3-17.3.1 o SUSE Linux Enterprise Software Development Kit 11-SP4 (ia64): libssh2-1-x86-1.4.3-17.3.1 o SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64): libssh2-1-1.4.3-17.3.1 o SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64): libssh2_org-debuginfo-1.4.3-17.3.1 libssh2_org-debugsource-1.4.3-17.3.1 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/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 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). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXJGzGWaOgq3Tt24GAQikaxAA0tS39t5QV8KfboZv5V/FnT6nRNsmCqM8 MK+8pQwnk/rnt1vNCkozJtA1JLxAF3DzAGnawtA4ZI9ILREmlEyPY7gmdIyjAmpo PGjZRwK+jX7VMzTE1J3b7ds3sKwXjDETUu0vSRV6eLmvAlX1cpkQZ4PSzwQBhR2M 1DN3y+AsbEkT2urnUhAvi+BRIwY0MFWynN+P29MLMUk1jABdRzYN6asUvT/t/vfU 0v05vlVDMVk5NcgEnrvNULBfUsV0ZBl+61f89UdPLPXrRE56FWzEFQvRgf/ds8mL giNdvFkYMHERSsh6GA6lOOn/gItLVQywDFE8UyArmSUVtzmLMDFx4nzRs5FUt1J2 CWbvatpIok1kXIBUGhK67aQBJ5Dz9VEIyyX/64iXS7HIjwrmicGXax+5dkcYmBJf bZnDNjo9UybRU0J5mbE1gusucPGJpnAwZN0u2fWNeV/RQcUTqeoyqmn22llHrsrF c3wU5yASlWAw0DIjPl1r8xmkNH+hbPnsvbgbY4x2andV9Z2tDvbWH90hBLEhERcC 1ZHiDdp1VOXmDdbDKE6pR2kZAsONCeU/A1AvfP2TefrVB539semgJ+m9Z5wO+TeS 6x3N40UOG7WriYK7aKX9GktA4QulPCgezvYv0MBgheEivFYQfdNHDcTWg/1rImwn m218giXWhhA= =AQc4 -----END PGP SIGNATURE-----