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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.2300 Moderate: instack-undercloud security update 13 September 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: instack-undercloud Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Impact/Access: Overwrite Arbitrary Files -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2017-7549 Reference: ESB-2017.2234 ESB-2017.2169 Original Bulletin: https://access.redhat.com/errata/RHSA-2017:2687 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: instack-undercloud security update Advisory ID: RHSA-2017:2687-01 Product: Red Hat Enterprise Linux OpenStack Platform Advisory URL: https://access.redhat.com/errata/RHSA-2017:2687 Issue date: 2017-09-12 CVE Names: CVE-2017-7549 ===================================================================== 1. Summary: An update for instack-undercloud is now available for Red Hat OpenStack Platform 8.0 (Liberty) director. 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: OpenStack 8.0 Director for RHEL 7 - noarch 3. Description: instack-undercloud provides a collection of scripts and elements that can be used to install an OpenStack undercloud (using python-instack). Security Fix(es): * A flaw was found in instack-undercloud where pre-install and security policy scripts used insecure temporary files. A local user could exploit this flaw to conduct a symbolic-link attack, allowing them to overwrite the contents of arbitrary files. (CVE-2017-7549) This issue was discovered by Matthew Booth (Red Hat). 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/): 1324894 - Tuskar is not deprecated post upgrade [osp-8] 1477403 - CVE-2017-7549 instack-undercloud: uses hardcoded /tmp paths 6. Package List: OpenStack 8.0 Director for RHEL 7: Source: instack-undercloud-2.2.7-10.el7ost.src.rpm noarch: instack-undercloud-2.2.7-10.el7ost.noarch.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-2017-7549 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 iD8DBQFZuBWKXlSAg2UNWIIRAuk6AJ4iRJg+0fzpB07ynI5zxpgozGCkjQCdEIGt EWJrWdLgjTla7YslYyH7KQs= =WmmO - -----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. 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