news 28 Posted January 8, 2016 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: samba security update Advisory ID: RHSA-2016:0011-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-0011.html Issue date: 2016-01-07 CVE Names: CVE-2015-5252 CVE-2015-5296 CVE-2015-5299 ===================================================================== 1. Summary: Updated samba packages that fix multiple security issues are now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - x86_64 Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64 3. Description: Samba is an open-source implementation of the Server Message Block (SMB) or Common Internet File System (CIFS) protocol, which allows PC-compatible machines to share files, printers, and other information. A man-in-the-middle vulnerability was found in the way "connection signing" was implemented by Samba. A remote attacker could use this flaw to downgrade an existing Samba client connection and force the use of plain text. (CVE-2015-5296) A missing access control flaw was found in Samba. A remote, authenticated attacker could use this flaw to view the current snapshot on a Samba share, despite not having DIRECTORY_LIST access rights. (CVE-2015-5299) An access flaw was found in the way Samba verified symbolic links when creating new files on a Samba share. A remote attacker could exploit this flaw to gain access to files outside of Samba's share path. (CVE-2015-5252) Red Hat would like to thank the Samba project for reporting these issues. Upstream acknowledges Stefan Metzmacher of the Samba Team and Sernet.de as the original reporters of CVE-2015-5296, partha ( -at -) exablox.com as the original reporter of CVE-2015-5299, Jan "Yenya" Kasprzak and the Computer Systems Unit team at Faculty of Informatics, Masaryk University as the original reporters of CVE-2015-5252. All samba users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. After installing this update, the smb service will be restarted automatically. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1276126 - CVE-2015-5299 Samba: Missing access control check in shadow copy code 1290288 - CVE-2015-5252 samba: Insufficient symlink verification in smbd 1290292 - CVE-2015-5296 samba: client requesting encryption vulnerable to downgrade attack 6. Package List: Red Hat Enterprise Linux Desktop (v. 6): Source: samba-3.6.23-24.el6_7.src.rpm i386: libsmbclient-3.6.23-24.el6_7.i686.rpm samba-client-3.6.23-24.el6_7.i686.rpm samba-common-3.6.23-24.el6_7.i686.rpm samba-debuginfo-3.6.23-24.el6_7.i686.rpm samba-winbind-3.6.23-24.el6_7.i686.rpm samba-winbind-clients-3.6.23-24.el6_7.i686.rpm x86_64: libsmbclient-3.6.23-24.el6_7.i686.rpm libsmbclient-3.6.23-24.el6_7.x86_64.rpm samba-client-3.6.23-24.el6_7.x86_64.rpm samba-common-3.6.23-24.el6_7.i686.rpm samba-common-3.6.23-24.el6_7.x86_64.rpm samba-debuginfo-3.6.23-24.el6_7.i686.rpm samba-debuginfo-3.6.23-24.el6_7.x86_64.rpm samba-winbind-3.6.23-24.el6_7.x86_64.rpm samba-winbind-clients-3.6.23-24.el6_7.i686.rpm samba-winbind-clients-3.6.23-24.el6_7.x86_64.rpm Red Hat Enterprise Linux Desktop Optional (v. 6): i386: libsmbclient-devel-3.6.23-24.el6_7.i686.rpm samba-3.6.23-24.el6_7.i686.rpm samba-debuginfo-3.6.23-24.el6_7.i686.rpm samba-doc-3.6.23-24.el6_7.i686.rpm samba-domainjoin-gui-3.6.23-24.el6_7.i686.rpm samba-swat-3.6.23-24.el6_7.i686.rpm samba-winbind-devel-3.6.23-24.el6_7.i686.rpm samba-winbind-krb5-locator-3.6.23-24.el6_7.i686.rpm x86_64: libsmbclient-devel-3.6.23-24.el6_7.i686.rpm libsmbclient-devel-3.6.23-24.el6_7.x86_64.rpm samba-3.6.23-24.el6_7.x86_64.rpm samba-debuginfo-3.6.23-24.el6_7.i686.rpm samba-debuginfo-3.6.23-24.el6_7.x86_64.rpm samba-doc-3.6.23-24.el6_7.x86_64.rpm samba-domainjoin-gui-3.6.23-24.el6_7.x86_64.rpm samba-glusterfs-3.6.23-24.el6_7.x86_64.rpm samba-swat-3.6.23-24.el6_7.x86_64.rpm samba-winbind-devel-3.6.23-24.el6_7.i686.rpm samba-winbind-devel-3.6.23-24.el6_7.x86_64.rpm samba-winbind-krb5-locator-3.6.23-24.el6_7.x86_64.rpm Red Hat Enterprise Linux HPC Node (v. 6): Source: samba-3.6.23-24.el6_7.src.rpm x86_64: samba-client-3.6.23-24.el6_7.x86_64.rpm samba-common-3.6.23-24.el6_7.i686.rpm samba-common-3.6.23-24.el6_7.x86_64.rpm samba-debuginfo-3.6.23-24.el6_7.i686.rpm samba-debuginfo-3.6.23-24.el6_7.x86_64.rpm samba-winbind-3.6.23-24.el6_7.x86_64.rpm samba-winbind-clients-3.6.23-24.el6_7.i686.rpm samba-winbind-clients-3.6.23-24.el6_7.x86_64.rpm Red Hat Enterprise Linux HPC Node Optional (v. 6): x86_64: libsmbclient-3.6.23-24.el6_7.i686.rpm libsmbclient-3.6.23-24.el6_7.x86_64.rpm libsmbclient-devel-3.6.23-24.el6_7.i686.rpm libsmbclient-devel-3.6.23-24.el6_7.x86_64.rpm samba-3.6.23-24.el6_7.x86_64.rpm samba-debuginfo-3.6.23-24.el6_7.i686.rpm samba-debuginfo-3.6.23-24.el6_7.x86_64.rpm samba-doc-3.6.23-24.el6_7.x86_64.rpm samba-domainjoin-gui-3.6.23-24.el6_7.x86_64.rpm samba-glusterfs-3.6.23-24.el6_7.x86_64.rpm samba-swat-3.6.23-24.el6_7.x86_64.rpm samba-winbind-devel-3.6.23-24.el6_7.i686.rpm samba-winbind-devel-3.6.23-24.el6_7.x86_64.rpm samba-winbind-krb5-locator-3.6.23-24.el6_7.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: samba-3.6.23-24.el6_7.src.rpm i386: libsmbclient-3.6.23-24.el6_7.i686.rpm samba-3.6.23-24.el6_7.i686.rpm samba-client-3.6.23-24.el6_7.i686.rpm samba-common-3.6.23-24.el6_7.i686.rpm samba-debuginfo-3.6.23-24.el6_7.i686.rpm samba-winbind-3.6.23-24.el6_7.i686.rpm samba-winbind-clients-3.6.23-24.el6_7.i686.rpm ppc64: libsmbclient-3.6.23-24.el6_7.ppc.rpm libsmbclient-3.6.23-24.el6_7.ppc64.rpm samba-3.6.23-24.el6_7.ppc64.rpm samba-client-3.6.23-24.el6_7.ppc64.rpm samba-common-3.6.23-24.el6_7.ppc.rpm samba-common-3.6.23-24.el6_7.ppc64.rpm samba-debuginfo-3.6.23-24.el6_7.ppc.rpm samba-debuginfo-3.6.23-24.el6_7.ppc64.rpm samba-winbind-3.6.23-24.el6_7.ppc64.rpm samba-winbind-clients-3.6.23-24.el6_7.ppc.rpm samba-winbind-clients-3.6.23-24.el6_7.ppc64.rpm s390x: libsmbclient-3.6.23-24.el6_7.s390.rpm libsmbclient-3.6.23-24.el6_7.s390x.rpm samba-3.6.23-24.el6_7.s390x.rpm samba-client-3.6.23-24.el6_7.s390x.rpm samba-common-3.6.23-24.el6_7.s390.rpm samba-common-3.6.23-24.el6_7.s390x.rpm samba-debuginfo-3.6.23-24.el6_7.s390.rpm samba-debuginfo-3.6.23-24.el6_7.s390x.rpm samba-winbind-3.6.23-24.el6_7.s390x.rpm samba-winbind-clients-3.6.23-24.el6_7.s390.rpm samba-winbind-clients-3.6.23-24.el6_7.s390x.rpm x86_64: libsmbclient-3.6.23-24.el6_7.i686.rpm libsmbclient-3.6.23-24.el6_7.x86_64.rpm samba-3.6.23-24.el6_7.x86_64.rpm samba-client-3.6.23-24.el6_7.x86_64.rpm samba-common-3.6.23-24.el6_7.i686.rpm samba-common-3.6.23-24.el6_7.x86_64.rpm samba-debuginfo-3.6.23-24.el6_7.i686.rpm samba-debuginfo-3.6.23-24.el6_7.x86_64.rpm samba-winbind-3.6.23-24.el6_7.x86_64.rpm samba-winbind-clients-3.6.23-24.el6_7.i686.rpm samba-winbind-clients-3.6.23-24.el6_7.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 6): i386: libsmbclient-devel-3.6.23-24.el6_7.i686.rpm samba-debuginfo-3.6.23-24.el6_7.i686.rpm samba-doc-3.6.23-24.el6_7.i686.rpm samba-domainjoin-gui-3.6.23-24.el6_7.i686.rpm samba-swat-3.6.23-24.el6_7.i686.rpm samba-winbind-devel-3.6.23-24.el6_7.i686.rpm samba-winbind-krb5-locator-3.6.23-24.el6_7.i686.rpm ppc64: libsmbclient-devel-3.6.23-24.el6_7.ppc.rpm libsmbclient-devel-3.6.23-24.el6_7.ppc64.rpm samba-debuginfo-3.6.23-24.el6_7.ppc.rpm samba-debuginfo-3.6.23-24.el6_7.ppc64.rpm samba-doc-3.6.23-24.el6_7.ppc64.rpm samba-domainjoin-gui-3.6.23-24.el6_7.ppc64.rpm samba-swat-3.6.23-24.el6_7.ppc64.rpm samba-winbind-devel-3.6.23-24.el6_7.ppc.rpm samba-winbind-devel-3.6.23-24.el6_7.ppc64.rpm samba-winbind-krb5-locator-3.6.23-24.el6_7.ppc64.rpm s390x: libsmbclient-devel-3.6.23-24.el6_7.s390.rpm libsmbclient-devel-3.6.23-24.el6_7.s390x.rpm samba-debuginfo-3.6.23-24.el6_7.s390.rpm samba-debuginfo-3.6.23-24.el6_7.s390x.rpm samba-doc-3.6.23-24.el6_7.s390x.rpm samba-domainjoin-gui-3.6.23-24.el6_7.s390x.rpm samba-swat-3.6.23-24.el6_7.s390x.rpm samba-winbind-devel-3.6.23-24.el6_7.s390.rpm samba-winbind-devel-3.6.23-24.el6_7.s390x.rpm samba-winbind-krb5-locator-3.6.23-24.el6_7.s390x.rpm x86_64: libsmbclient-devel-3.6.23-24.el6_7.i686.rpm libsmbclient-devel-3.6.23-24.el6_7.x86_64.rpm samba-debuginfo-3.6.23-24.el6_7.i686.rpm samba-debuginfo-3.6.23-24.el6_7.x86_64.rpm samba-doc-3.6.23-24.el6_7.x86_64.rpm samba-domainjoin-gui-3.6.23-24.el6_7.x86_64.rpm samba-glusterfs-3.6.23-24.el6_7.x86_64.rpm samba-swat-3.6.23-24.el6_7.x86_64.rpm samba-winbind-devel-3.6.23-24.el6_7.i686.rpm samba-winbind-devel-3.6.23-24.el6_7.x86_64.rpm samba-winbind-krb5-locator-3.6.23-24.el6_7.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: samba-3.6.23-24.el6_7.src.rpm i386: libsmbclient-3.6.23-24.el6_7.i686.rpm samba-3.6.23-24.el6_7.i686.rpm samba-client-3.6.23-24.el6_7.i686.rpm samba-common-3.6.23-24.el6_7.i686.rpm samba-debuginfo-3.6.23-24.el6_7.i686.rpm samba-winbind-3.6.23-24.el6_7.i686.rpm samba-winbind-clients-3.6.23-24.el6_7.i686.rpm x86_64: libsmbclient-3.6.23-24.el6_7.i686.rpm libsmbclient-3.6.23-24.el6_7.x86_64.rpm samba-3.6.23-24.el6_7.x86_64.rpm samba-client-3.6.23-24.el6_7.x86_64.rpm samba-common-3.6.23-24.el6_7.i686.rpm samba-common-3.6.23-24.el6_7.x86_64.rpm samba-debuginfo-3.6.23-24.el6_7.i686.rpm samba-debuginfo-3.6.23-24.el6_7.x86_64.rpm samba-winbind-3.6.23-24.el6_7.x86_64.rpm samba-winbind-clients-3.6.23-24.el6_7.i686.rpm samba-winbind-clients-3.6.23-24.el6_7.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 6): i386: libsmbclient-devel-3.6.23-24.el6_7.i686.rpm samba-debuginfo-3.6.23-24.el6_7.i686.rpm samba-doc-3.6.23-24.el6_7.i686.rpm samba-domainjoin-gui-3.6.23-24.el6_7.i686.rpm samba-swat-3.6.23-24.el6_7.i686.rpm samba-winbind-devel-3.6.23-24.el6_7.i686.rpm samba-winbind-krb5-locator-3.6.23-24.el6_7.i686.rpm x86_64: libsmbclient-devel-3.6.23-24.el6_7.i686.rpm libsmbclient-devel-3.6.23-24.el6_7.x86_64.rpm samba-debuginfo-3.6.23-24.el6_7.i686.rpm samba-debuginfo-3.6.23-24.el6_7.x86_64.rpm samba-doc-3.6.23-24.el6_7.x86_64.rpm samba-domainjoin-gui-3.6.23-24.el6_7.x86_64.rpm samba-glusterfs-3.6.23-24.el6_7.x86_64.rpm samba-swat-3.6.23-24.el6_7.x86_64.rpm samba-winbind-devel-3.6.23-24.el6_7.i686.rpm samba-winbind-devel-3.6.23-24.el6_7.x86_64.rpm samba-winbind-krb5-locator-3.6.23-24.el6_7.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-2015-5252 https://access.redhat.com/security/cve/CVE-2015-5296 https://access.redhat.com/security/cve/CVE-2015-5299 https://access.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2016 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFWjzArXlSAg2UNWIIRAv4/AKCtTZgh96bojyvO/+LnWNNoFDh9agCaAtGQ zP3opdsbLIVS1f7k7OpFM1w= =kwoa -----END PGP SIGNATURE----- -- Share this post Link to post
