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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.1663 buildah security and bug fix update 13 May 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: buildah Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Impact/Access: Overwrite Arbitrary Files -- Remote with User Interaction Denial of Service -- Remote with User Interaction Access Confidential Data -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2020-10696 CVE-2020-1702 Reference: ESB-2020.1481 ESB-2020.1412 ESB-2020.1147 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:2116 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: buildah security and bug fix update Advisory ID: RHSA-2020:2116-01 Product: Red Hat Enterprise Linux Extras Advisory URL: https://access.redhat.com/errata/RHSA-2020:2116 Issue date: 2020-05-12 CVE Names: CVE-2020-1702 CVE-2020-10696 ===================================================================== 1. Summary: An update for buildah is now available for Red Hat Enterprise Linux 7 Extras. Red Hat Product Security has rated this update as having a security impact of Important. 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 7 Extras - ppc64le, s390x, x86_64 3. Description: The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah enables you to: Create a working container, either from scratch or using an image as a starting point; Create an image, either from a working container or using the instructions in a Dockerfile; Build both Docker and OCI images. Security Fix(es): * buildah: Crafted input tar file may lead to local file overwrite during image build process (CVE-2020-10696) * containers/image: Container images read entire image manifest into memory (CVE-2020-1702) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * buildah is not expanding env vars in file paths (BZ#1822031) 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/): 1792796 - CVE-2020-1702 containers/image: Container images read entire image manifest into memory 1817651 - CVE-2020-10696 buildah: Crafted input tar file may lead to local file overwrite during image build process 1822031 - buildah is not expanding env vars in file paths [extras-rhel-7.8/buildah] 6. Package List: Red Hat Enterprise Linux 7 Extras: Source: buildah-1.11.6-11.el7_8.src.rpm ppc64le: buildah-1.11.6-11.el7_8.ppc64le.rpm buildah-debuginfo-1.11.6-11.el7_8.ppc64le.rpm s390x: buildah-1.11.6-11.el7_8.s390x.rpm buildah-debuginfo-1.11.6-11.el7_8.s390x.rpm x86_64: buildah-1.11.6-11.el7_8.x86_64.rpm buildah-debuginfo-1.11.6-11.el7_8.x86_64.rpm Red Hat Enterprise Linux 7 Extras: Source: buildah-1.11.6-11.el7_8.src.rpm x86_64: buildah-1.11.6-11.el7_8.x86_64.rpm buildah-debuginfo-1.11.6-11.el7_8.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-2020-1702 https://access.redhat.com/security/cve/CVE-2020-10696 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXrr+YtzjgjWX9erEAQgHcA/8Cemka/UdjwZPlwS0qTtW7g3a4UUpOQT9 SDRHmOBWM3h9niD+RvxvRH/O15QvyqxFUOXqaQMzVLzHoHpAp2ytO2SUfvg1/v52 CElMjnavuBaKtduFjzUqV+OfdqGz66bq2L4PUBKqAyyShNmGteEf87gbE3/+v2/5 lsW0pqWqPG0tQUtPAqJZHZStc4gD6JmzLjPlbShQyLxd+KBjH1MgIWdLt6fS6LYY nY7KEGjUY/7CmQQp3CiZKTps0KArYH3i7BPCxEc81VcjV42ijKVXt9DN43sxnacv 2JPPP6h8HB6wAHtN+Km7uTsU4HO1A9OUkvE8D3argSVtQb5DfloRpa2KaOCXVFao Imqi2likMBu8tI47PlaIOslTNFxarkgECJMyE8LQxD8W3Vbgfxiq7Dk1GJIHVAbe tE18/5U3n0iL8LDGRoMp/y7a2gtCB4UGQ1VIHZWr3Fi0rPnKZo7rPjDfUocrF7vl jWaJQFVkgT/6FUAFs6MMyUFfxwWZtVLKorzbVVfIzo0RboxfTaNKfhgCkvSSlBwT GkwEDzTYSBDIiaDYokuk8PvZe1HDbCzBlghBvTrFDvbJaoivKbqas0idec4g6h2T WxMp+x9J3ALjqCb52RqUz+kY8IA5ARAcsmEscBpXKIU65dIi8v0YRTZbi3Z9DYWg 9GwAg6mZnpc==xJFh - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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