Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.0955 Moderate: util-linux security and bug fix update 13 April 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: util-linux Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Impact/Access: Increased Privileges -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2017-2616 Reference: ESB-2017.0751 ESB-2017.0512 Original Bulletin: https://access.redhat.com/errata/RHSA-2017:0907 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: util-linux security and bug fix update Advisory ID: RHSA-2017:0907-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2017:0907 Issue date: 2017-04-12 CVE Names: CVE-2017-2616 ===================================================================== 1. Summary: An update for util-linux is now available 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 Enterprise Linux Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64 3. Description: The util-linux packages contain a large variety of low-level system utilities that are necessary for a Linux system to function. Among others, these include the fdisk configuration tool and the login program. Security Fix(es): * A race condition was found in the way su handled the management of child processes. A local authenticated attacker could use this flaw to kill other processes with root privileges under specific conditions. (CVE-2017-2616) Red Hat would like to thank Tobias Stöckmann for reporting this issue. Bug Fix(es): * The "findmnt --target <path>" command prints all file systems where the mount point directory is <path>. Previously, when used in the chroot environment, "findmnt --target <path>" incorrectly displayed all mount points. The command has been fixed so that it now checks the mount point path and returns information only for the relevant mount point. (BZ#1414481) 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 5. Bugs fixed (https://bugzilla.redhat.com/): 1414481 - findmnt --target behaviour changed in 7.3, shows all mount-points in chroot 1418710 - CVE-2017-2616 util-linux: Sending SIGKILL to other processes with root privileges via su 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: util-linux-2.23.2-33.el7_3.2.src.rpm x86_64: libblkid-2.23.2-33.el7_3.2.i686.rpm libblkid-2.23.2-33.el7_3.2.x86_64.rpm libmount-2.23.2-33.el7_3.2.i686.rpm libmount-2.23.2-33.el7_3.2.x86_64.rpm libuuid-2.23.2-33.el7_3.2.i686.rpm libuuid-2.23.2-33.el7_3.2.x86_64.rpm util-linux-2.23.2-33.el7_3.2.x86_64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.i686.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.x86_64.rpm uuidd-2.23.2-33.el7_3.2.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: libblkid-devel-2.23.2-33.el7_3.2.i686.rpm libblkid-devel-2.23.2-33.el7_3.2.x86_64.rpm libmount-devel-2.23.2-33.el7_3.2.i686.rpm libmount-devel-2.23.2-33.el7_3.2.x86_64.rpm libuuid-devel-2.23.2-33.el7_3.2.i686.rpm libuuid-devel-2.23.2-33.el7_3.2.x86_64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.i686.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: util-linux-2.23.2-33.el7_3.2.src.rpm x86_64: libblkid-2.23.2-33.el7_3.2.i686.rpm libblkid-2.23.2-33.el7_3.2.x86_64.rpm libmount-2.23.2-33.el7_3.2.i686.rpm libmount-2.23.2-33.el7_3.2.x86_64.rpm libuuid-2.23.2-33.el7_3.2.i686.rpm libuuid-2.23.2-33.el7_3.2.x86_64.rpm util-linux-2.23.2-33.el7_3.2.i686.rpm util-linux-2.23.2-33.el7_3.2.x86_64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.i686.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.x86_64.rpm uuidd-2.23.2-33.el7_3.2.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: libblkid-devel-2.23.2-33.el7_3.2.i686.rpm libblkid-devel-2.23.2-33.el7_3.2.x86_64.rpm libmount-devel-2.23.2-33.el7_3.2.i686.rpm libmount-devel-2.23.2-33.el7_3.2.x86_64.rpm libuuid-devel-2.23.2-33.el7_3.2.i686.rpm libuuid-devel-2.23.2-33.el7_3.2.x86_64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.i686.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: util-linux-2.23.2-33.el7_3.2.src.rpm aarch64: libblkid-2.23.2-33.el7_3.2.aarch64.rpm libblkid-devel-2.23.2-33.el7_3.2.aarch64.rpm libmount-2.23.2-33.el7_3.2.aarch64.rpm libuuid-2.23.2-33.el7_3.2.aarch64.rpm libuuid-devel-2.23.2-33.el7_3.2.aarch64.rpm util-linux-2.23.2-33.el7_3.2.aarch64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.aarch64.rpm uuidd-2.23.2-33.el7_3.2.aarch64.rpm ppc64: libblkid-2.23.2-33.el7_3.2.ppc.rpm libblkid-2.23.2-33.el7_3.2.ppc64.rpm libblkid-devel-2.23.2-33.el7_3.2.ppc.rpm libblkid-devel-2.23.2-33.el7_3.2.ppc64.rpm libmount-2.23.2-33.el7_3.2.ppc.rpm libmount-2.23.2-33.el7_3.2.ppc64.rpm libuuid-2.23.2-33.el7_3.2.ppc.rpm libuuid-2.23.2-33.el7_3.2.ppc64.rpm libuuid-devel-2.23.2-33.el7_3.2.ppc.rpm libuuid-devel-2.23.2-33.el7_3.2.ppc64.rpm util-linux-2.23.2-33.el7_3.2.ppc.rpm util-linux-2.23.2-33.el7_3.2.ppc64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.ppc.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.ppc64.rpm uuidd-2.23.2-33.el7_3.2.ppc64.rpm ppc64le: libblkid-2.23.2-33.el7_3.2.ppc64le.rpm libblkid-devel-2.23.2-33.el7_3.2.ppc64le.rpm libmount-2.23.2-33.el7_3.2.ppc64le.rpm libuuid-2.23.2-33.el7_3.2.ppc64le.rpm libuuid-devel-2.23.2-33.el7_3.2.ppc64le.rpm util-linux-2.23.2-33.el7_3.2.ppc64le.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.ppc64le.rpm uuidd-2.23.2-33.el7_3.2.ppc64le.rpm s390x: libblkid-2.23.2-33.el7_3.2.s390.rpm libblkid-2.23.2-33.el7_3.2.s390x.rpm libblkid-devel-2.23.2-33.el7_3.2.s390.rpm libblkid-devel-2.23.2-33.el7_3.2.s390x.rpm libmount-2.23.2-33.el7_3.2.s390.rpm libmount-2.23.2-33.el7_3.2.s390x.rpm libuuid-2.23.2-33.el7_3.2.s390.rpm libuuid-2.23.2-33.el7_3.2.s390x.rpm libuuid-devel-2.23.2-33.el7_3.2.s390.rpm libuuid-devel-2.23.2-33.el7_3.2.s390x.rpm util-linux-2.23.2-33.el7_3.2.s390.rpm util-linux-2.23.2-33.el7_3.2.s390x.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.s390.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.s390x.rpm uuidd-2.23.2-33.el7_3.2.s390x.rpm x86_64: libblkid-2.23.2-33.el7_3.2.i686.rpm libblkid-2.23.2-33.el7_3.2.x86_64.rpm libblkid-devel-2.23.2-33.el7_3.2.i686.rpm libblkid-devel-2.23.2-33.el7_3.2.x86_64.rpm libmount-2.23.2-33.el7_3.2.i686.rpm libmount-2.23.2-33.el7_3.2.x86_64.rpm libuuid-2.23.2-33.el7_3.2.i686.rpm libuuid-2.23.2-33.el7_3.2.x86_64.rpm libuuid-devel-2.23.2-33.el7_3.2.i686.rpm libuuid-devel-2.23.2-33.el7_3.2.x86_64.rpm util-linux-2.23.2-33.el7_3.2.i686.rpm util-linux-2.23.2-33.el7_3.2.x86_64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.i686.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.x86_64.rpm uuidd-2.23.2-33.el7_3.2.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): aarch64: libmount-devel-2.23.2-33.el7_3.2.aarch64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.aarch64.rpm ppc64: libmount-devel-2.23.2-33.el7_3.2.ppc.rpm libmount-devel-2.23.2-33.el7_3.2.ppc64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.ppc.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.ppc64.rpm ppc64le: libmount-devel-2.23.2-33.el7_3.2.ppc64le.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.ppc64le.rpm s390x: libmount-devel-2.23.2-33.el7_3.2.s390.rpm libmount-devel-2.23.2-33.el7_3.2.s390x.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.s390.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.s390x.rpm x86_64: libmount-devel-2.23.2-33.el7_3.2.i686.rpm libmount-devel-2.23.2-33.el7_3.2.x86_64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.i686.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: util-linux-2.23.2-33.el7_3.2.src.rpm x86_64: libblkid-2.23.2-33.el7_3.2.i686.rpm libblkid-2.23.2-33.el7_3.2.x86_64.rpm libblkid-devel-2.23.2-33.el7_3.2.i686.rpm libblkid-devel-2.23.2-33.el7_3.2.x86_64.rpm libmount-2.23.2-33.el7_3.2.i686.rpm libmount-2.23.2-33.el7_3.2.x86_64.rpm libuuid-2.23.2-33.el7_3.2.i686.rpm libuuid-2.23.2-33.el7_3.2.x86_64.rpm libuuid-devel-2.23.2-33.el7_3.2.i686.rpm libuuid-devel-2.23.2-33.el7_3.2.x86_64.rpm util-linux-2.23.2-33.el7_3.2.i686.rpm util-linux-2.23.2-33.el7_3.2.x86_64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.i686.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.x86_64.rpm uuidd-2.23.2-33.el7_3.2.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: libmount-devel-2.23.2-33.el7_3.2.i686.rpm libmount-devel-2.23.2-33.el7_3.2.x86_64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.i686.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.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-2017-2616 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 iD8DBQFY7n4pXlSAg2UNWIIRAsCVAJ4w9jGUsneMY7bMOAuWfu0S+q7rigCfdF5W 7Zi3qRLisbrmC19vAqk7I3s= =LlRf - -----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 iQIVAwUBWO7YtYx+lLeg9Ub1AQisqQ//dgHY779Xf2Y6d8sgYisA8nI6weDes33l IlX/kFL7zWLNQ4JjwsB0Z7ll+9NQ4qSuPzIA9w64vwr1HFwGu0BlGZRmlZU9jBN6 H03g0v3xShiL/lZdukBgAknGu6QZJwZO4bbyM81B06kS51H1kp88RbJFhQbPKOtu kJrT+dJsVxxD2msD+c/kp86oto5JjdU6wqxWsolxMOB77EiSMpqob6Bun7sf6Kxj tC/gEsbCFg/30XOc8fPMn1lVV15SshZV1WKLJpd9JVAVhT5baVmtDYkNsV+PVmHf RrqGuXYHYFSAouyIGBJhLRVx9C1fxBe+UAu/EQFH2Fw91gYIEuM9C9WD6KVxFQH9 XLYXL864BT7hn7Jb7zCvTO3Z3BwgrtyuYG15g/vSNBq7nLE8v0Do/7/mtnkAZ2fV D4fY65HLIcs6ApUHUKLKuXT4lXVenkzXJgaIwYv/WwTmNEGlazrHCe8vKBJEurl0 4zr5C0+hgj3GHtME8Nt2q0ViQHQzgzb2jyhrhYkTZwKTW8uFkvaxLXKiiL4PrQzM 8SZmO+I1Oq/GPNwPAkvp5f8/FlzRxetEagFeB2OrQcZ9mruYeq9UtJK3utxVB3Zx 9j1hw6oBGlIsVabJGaxCrbsne2Kw3trOCm3ac1eqmCyYQ4/Kt5Uir2BJiP8PUJkm zcky1waM9BE= =Ng1y -----END PGP SIGNATURE-----