Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.1904 Moderate: samba security update 2 August 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: samba Publisher: Red Hat Operating System: Red Hat Impact/Access: Access Privileged Data -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2017-9461 CVE-2017-2619 Reference: ESB-2017.1682 ESB-2017.1440 ESB-2017.1373 Original Bulletin: https://access.redhat.com/errata/RHSA-2017:2338 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: samba security update Advisory ID: RHSA-2017:2338-01 Product: Red Hat Gluster Storage Advisory URL: https://access.redhat.com/errata/RHSA-2017:2338 Issue date: 2017-08-01 CVE Names: CVE-2017-2619 CVE-2017-9461 ===================================================================== 1. Summary: An update for samba is now available for Red Hat Gluster Storage 3.2 for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. 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 Gluster 3.2 Samba on RHEL-7 - noarch, x86_64 3. Description: Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and various information. Security Fix(es): * A race condition was found in samba server. A malicious samba client could use this flaw to access files and directories, in areas of the server file system not exported under the share definitions. (CVE-2017-2619) * A flaw was found in the way Samba handled dangling symlinks. An authenticated malicious Samba client could use this flaw to cause the smbd daemon to enter an infinite loop and use an excessive amount of CPU and memory. (CVE-2017-9461) Red Hat would like to thank the Samba project for reporting CVE-2017-2619. Upstream acknowledges Jann Horn (Google) as the original reporter of CVE-2017-2619. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing this update, the smb service will be restarted automatically. 5. Bugs fixed (https://bugzilla.redhat.com/): 1429472 - CVE-2017-2619 samba: symlink race permits opening files outside share directory 1459464 - CVE-2017-9461 samba: fd_open_atomic infinite loop due to wrong handling of dangling symlinks 1465528 - RHEL7.4 Upgrade fails over RHGS 3.2.0 for samba ctdb packages 6. Package List: Red Hat Gluster 3.2 Samba on RHEL-7: Source: samba-4.6.3-4.el7rhgs.src.rpm noarch: samba-common-4.6.3-4.el7rhgs.noarch.rpm samba-pidl-4.6.3-4.el7rhgs.noarch.rpm x86_64: ctdb-4.6.3-4.el7rhgs.x86_64.rpm ctdb-tests-4.6.3-4.el7rhgs.x86_64.rpm libsmbclient-4.6.3-4.el7rhgs.x86_64.rpm libsmbclient-devel-4.6.3-4.el7rhgs.x86_64.rpm libwbclient-4.6.3-4.el7rhgs.x86_64.rpm libwbclient-devel-4.6.3-4.el7rhgs.x86_64.rpm samba-4.6.3-4.el7rhgs.x86_64.rpm samba-client-4.6.3-4.el7rhgs.x86_64.rpm samba-client-libs-4.6.3-4.el7rhgs.x86_64.rpm samba-common-libs-4.6.3-4.el7rhgs.x86_64.rpm samba-common-tools-4.6.3-4.el7rhgs.x86_64.rpm samba-dc-4.6.3-4.el7rhgs.x86_64.rpm samba-dc-libs-4.6.3-4.el7rhgs.x86_64.rpm samba-debuginfo-4.6.3-4.el7rhgs.x86_64.rpm samba-devel-4.6.3-4.el7rhgs.x86_64.rpm samba-krb5-printing-4.6.3-4.el7rhgs.x86_64.rpm samba-libs-4.6.3-4.el7rhgs.x86_64.rpm samba-python-4.6.3-4.el7rhgs.x86_64.rpm samba-test-4.6.3-4.el7rhgs.x86_64.rpm samba-test-libs-4.6.3-4.el7rhgs.x86_64.rpm samba-vfs-glusterfs-4.6.3-4.el7rhgs.x86_64.rpm samba-winbind-4.6.3-4.el7rhgs.x86_64.rpm samba-winbind-clients-4.6.3-4.el7rhgs.x86_64.rpm samba-winbind-krb5-locator-4.6.3-4.el7rhgs.x86_64.rpm samba-winbind-modules-4.6.3-4.el7rhgs.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2017-2619 https://access.redhat.com/security/cve/CVE-2017-9461 https://access.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2017 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFZgDMRXlSAg2UNWIIRAmx7AJ4/yrWNAzO0L+QSTnhkGBUpBRSE0QCeO4za WSjthzb7dTXz2qqQ6jWTeS0= =/JaT - -----END PGP SIGNATURE----- - --------------------------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: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== 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 iQIVAwUBWYFY0Yx+lLeg9Ub1AQgEFA//dcPnu9DwKgBUozffr/dYXJ7v50bfFmra 5v0jAoGQDgv+5J6tLhwrtHAxdaVfGSkiHziyQxwSnqhrK4soFDBObGMtkbbxyn2K W7Ajtjv7HFHByr+X0tT0A80tg5oqbdMEFcHf0QSlQYEg7ODhIYCwfbnoOGS+87eg /m9BXlHaJTzolb2/5U9gPHV18w9+H/qFZiz2/wnNIXMsfO6QiMQ838GEbpeYMmEC yBvOfO0jXw2AaVzvK8p7fIe1s/qMq57W5vlct5BiZSuf/WGGo/nxMKK91intp6Du fHaMBp77nsA+miKy0s4t0ku4J8PilWfHHWmsXFp9myGG4F7td5YRG9VW+UdUkRdP u1TyOO3fQFfix56B+0rR/gaa6Da/Vpn+wsYpia7AP9QqSDZXkEE27g3gP5R6x+El 2tnXMCH5dd6gVPs/9iJwVMyDURmEc56TiEJ4XEZv5/YXWQ6Ylw+JrIfGftBcCYlG +C8045Gqp5crIdmyj8Qh1TVIf9Xr9DTz9398Bov+Yx9mQ3sUIatXPHH0Tvm7n29g yRkbcovO7xApU/DFFhYisrAuMr77Q/dz+oqHTy9woCQJe0LXh0IYNiwe+V3cRl0/ guDVbGj5X+3pxLyv8QEQ7GuFbcQPhMFldcykrze4hvWUkDNEljGmEqOLkOd8p67o mQG1ToIAFnY= =dsL8 -----END PGP SIGNATURE-----