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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.1149 flatpak security update 7 April 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: flatpak Publisher: Red Hat Operating System: Red Hat Impact/Access: Access Confidential Data -- Existing Account Reduced Security -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-21381 Reference: ESB-2021.1079 ESB-2021.0892 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:1074 https://access.redhat.com/errata/RHSA-2021:1073 https://access.redhat.com/errata/RHSA-2021:1068 Comment: This bulletin contains three (3) Red Hat security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: flatpak security update Advisory ID: RHSA-2021:1074-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:1074 Issue date: 2021-04-06 CVE Names: CVE-2021-21381 ===================================================================== 1. Summary: An update for flatpak is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. 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 AppStream EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64 3. Description: Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Security Fix(es): * flatpak: "file forwarding" feature can be used to gain unprivileged access to files (CVE-2021-21381) 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. 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/): 1936985 - CVE-2021-21381 flatpak: "file forwarding" feature can be used to gain unprivileged access to files 6. Package List: Red Hat Enterprise Linux AppStream EUS (v. 8.1): Source: flatpak-1.0.9-4.el8_1.src.rpm aarch64: flatpak-1.0.9-4.el8_1.aarch64.rpm flatpak-debuginfo-1.0.9-4.el8_1.aarch64.rpm flatpak-debugsource-1.0.9-4.el8_1.aarch64.rpm flatpak-libs-1.0.9-4.el8_1.aarch64.rpm flatpak-libs-debuginfo-1.0.9-4.el8_1.aarch64.rpm ppc64le: flatpak-1.0.9-4.el8_1.ppc64le.rpm flatpak-debuginfo-1.0.9-4.el8_1.ppc64le.rpm flatpak-debugsource-1.0.9-4.el8_1.ppc64le.rpm flatpak-libs-1.0.9-4.el8_1.ppc64le.rpm flatpak-libs-debuginfo-1.0.9-4.el8_1.ppc64le.rpm s390x: flatpak-1.0.9-4.el8_1.s390x.rpm flatpak-debuginfo-1.0.9-4.el8_1.s390x.rpm flatpak-debugsource-1.0.9-4.el8_1.s390x.rpm flatpak-libs-1.0.9-4.el8_1.s390x.rpm flatpak-libs-debuginfo-1.0.9-4.el8_1.s390x.rpm x86_64: flatpak-1.0.9-4.el8_1.x86_64.rpm flatpak-debuginfo-1.0.9-4.el8_1.i686.rpm flatpak-debuginfo-1.0.9-4.el8_1.x86_64.rpm flatpak-debugsource-1.0.9-4.el8_1.i686.rpm flatpak-debugsource-1.0.9-4.el8_1.x86_64.rpm flatpak-libs-1.0.9-4.el8_1.i686.rpm flatpak-libs-1.0.9-4.el8_1.x86_64.rpm flatpak-libs-debuginfo-1.0.9-4.el8_1.i686.rpm flatpak-libs-debuginfo-1.0.9-4.el8_1.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-2021-21381 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 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYGwrzdzjgjWX9erEAQjIFQ//c02abp73JHk8VKRTd47UPfJH9V2fp2R/ vtAoNmuaVnSLTUlPEorS3GiYN5cfJzWjq2jdx1jqf0xTkPRfcDqVLIkfJ4TEyuGX 6hkk3h5XtBemmDkzAiDvIH69LlcvTe51phZyxeerdTH2BFjnQ0Hd+j+P3nKN8iaC Z+xIFl9ybN0yTDlG7ggvpvQkFV5twcsUx5Y1KpSD9O9ryUZmj4G8yWFt88NZDu2U VMyyn+Z80ULY77Hz0yNJFLixyK2ESY+RNeekA6z7Sax6vq0jSgt+GlCVREfNG5Hn 0leRd/ctwLhMFtfK/6S2zpunDqyxqlJMLGdIuZ3CIyKUdUlUfkQbSBCiYCe5jhxx RybbxLy0F8wGf9JD8e83zsmI8nGIUwUEoSSae6begbu20nRxRPNPe+wC4z5CCt1/ EnVfDpv0fWbkFBqa+yj8rrvjmkPUyb5BGKxoQSPKCjXYPybNpr2qOFg3N05bDDcB eLA3dZdWgDvyBQSEeLbfuZvxFQ39INB5fQbnMEz9SGUaICb707OewFHp8LYLwnJG BwbZyFMZUfCx4ZAHuybueMpwZfwLbIguR9AnUDPf/ZWI5cfHYduhIqhHTA9Mz1E1 cfJT9xZboXuJtSSBp/gm/yp3zROBEGV8kQF0iC40bzr2HOAhDA4uCWxPRGgBtJsb ATZfisRU2yg= =j4cC - -----END PGP SIGNATURE----- - -------------------------------------------------------------------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: flatpak security update Advisory ID: RHSA-2021:1073-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:1073 Issue date: 2021-04-06 CVE Names: CVE-2021-21381 ===================================================================== 1. Summary: An update for flatpak is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. 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 AppStream EUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64 3. Description: Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Security Fix(es): * flatpak: "file forwarding" feature can be used to gain unprivileged access to files (CVE-2021-21381) 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. 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/): 1936985 - CVE-2021-21381 flatpak: "file forwarding" feature can be used to gain unprivileged access to files 6. Package List: Red Hat Enterprise Linux AppStream EUS (v. 8.2): Source: flatpak-1.6.2-5.el8_2.src.rpm aarch64: flatpak-1.6.2-5.el8_2.aarch64.rpm flatpak-debuginfo-1.6.2-5.el8_2.aarch64.rpm flatpak-debugsource-1.6.2-5.el8_2.aarch64.rpm flatpak-libs-1.6.2-5.el8_2.aarch64.rpm flatpak-libs-debuginfo-1.6.2-5.el8_2.aarch64.rpm flatpak-session-helper-1.6.2-5.el8_2.aarch64.rpm flatpak-session-helper-debuginfo-1.6.2-5.el8_2.aarch64.rpm flatpak-tests-debuginfo-1.6.2-5.el8_2.aarch64.rpm noarch: flatpak-selinux-1.6.2-5.el8_2.noarch.rpm ppc64le: flatpak-1.6.2-5.el8_2.ppc64le.rpm flatpak-debuginfo-1.6.2-5.el8_2.ppc64le.rpm flatpak-debugsource-1.6.2-5.el8_2.ppc64le.rpm flatpak-libs-1.6.2-5.el8_2.ppc64le.rpm flatpak-libs-debuginfo-1.6.2-5.el8_2.ppc64le.rpm flatpak-session-helper-1.6.2-5.el8_2.ppc64le.rpm flatpak-session-helper-debuginfo-1.6.2-5.el8_2.ppc64le.rpm flatpak-tests-debuginfo-1.6.2-5.el8_2.ppc64le.rpm s390x: flatpak-1.6.2-5.el8_2.s390x.rpm flatpak-debuginfo-1.6.2-5.el8_2.s390x.rpm flatpak-debugsource-1.6.2-5.el8_2.s390x.rpm flatpak-libs-1.6.2-5.el8_2.s390x.rpm flatpak-libs-debuginfo-1.6.2-5.el8_2.s390x.rpm flatpak-session-helper-1.6.2-5.el8_2.s390x.rpm flatpak-session-helper-debuginfo-1.6.2-5.el8_2.s390x.rpm flatpak-tests-debuginfo-1.6.2-5.el8_2.s390x.rpm x86_64: flatpak-1.6.2-5.el8_2.x86_64.rpm flatpak-debuginfo-1.6.2-5.el8_2.i686.rpm flatpak-debuginfo-1.6.2-5.el8_2.x86_64.rpm flatpak-debugsource-1.6.2-5.el8_2.i686.rpm flatpak-debugsource-1.6.2-5.el8_2.x86_64.rpm flatpak-libs-1.6.2-5.el8_2.i686.rpm flatpak-libs-1.6.2-5.el8_2.x86_64.rpm flatpak-libs-debuginfo-1.6.2-5.el8_2.i686.rpm flatpak-libs-debuginfo-1.6.2-5.el8_2.x86_64.rpm flatpak-session-helper-1.6.2-5.el8_2.x86_64.rpm flatpak-session-helper-debuginfo-1.6.2-5.el8_2.i686.rpm flatpak-session-helper-debuginfo-1.6.2-5.el8_2.x86_64.rpm flatpak-tests-debuginfo-1.6.2-5.el8_2.i686.rpm flatpak-tests-debuginfo-1.6.2-5.el8_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-2021-21381 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 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYGw1ptzjgjWX9erEAQibjw/+JYOEuCP5FW9aMQoAhvExQWHrkT5t87oC Ut/E8lyb4YPYFqYKpPW7XWcTP52Qk7TjGURk6hxQ33pK6f539asmQTIPSLcWh/SZ 9XX85ewHLwznAxPFWBN5RjAZm7W9x3A97XMbVRuACX0ncYtUCJt265EtGAvkiMVe qv/1mgt42ukByggUzvybPjozYtZ+upOvxImpC+3lZJQ+Of9uzje3BdigDX/JLvgD 9lDkUQ96QbwhOnCKWJx2x8MHskIf1Mbass617Fs8+14DPAZ7XTpax3ga6c8Uw2pc bZjWs+z4R7osSijThcLTJJRx0MsSTi/GxURISI4ocZpObkTSTWATAa8I8cmy31iq a5zEzx9D+lbti9x+X/W56kenHP9I8bsAj1TMXzKvy8+9p0S9UZLwoPaXbY44yjwi O9g/oLW+AsmCqjIropw2jI04wSwqYsbMbAGbMdw18g+sKALfilocsqcW4dxXvllF aE5c5d5sBEu+4V2vKYr2VIMnFnyM/tjOcG/05giHLXIkQ7RWI3/2X3kcBbz2iVXZ QVRsdNyqDGQkc50aoyZXIaAar/ypTeEaPuzzA/GM3K9dQAsUpzZau04o856xxNpl xzTF7EWttckDUyz2GUn0AJlSPKaCFlu3GxAsuBxVSEUitxOyWhcASknImVwoQpr3 U8ZZgj6z8Hc= =rrjK - -----END PGP SIGNATURE----- - -------------------------------------------------------------------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: flatpak security update Advisory ID: RHSA-2021:1068-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:1068 Issue date: 2021-04-06 CVE Names: CVE-2021-21381 ===================================================================== 1. Summary: An update for flatpak is now available for Red Hat Enterprise Linux 8. 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 AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64 3. Description: Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Security Fix(es): * flatpak: "file forwarding" feature can be used to gain unprivileged access to files (CVE-2021-21381) 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. 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/): 1936985 - CVE-2021-21381 flatpak: "file forwarding" feature can be used to gain unprivileged access to files 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: flatpak-1.6.2-6.el8_3.src.rpm aarch64: flatpak-1.6.2-6.el8_3.aarch64.rpm flatpak-debuginfo-1.6.2-6.el8_3.aarch64.rpm flatpak-debugsource-1.6.2-6.el8_3.aarch64.rpm flatpak-libs-1.6.2-6.el8_3.aarch64.rpm flatpak-libs-debuginfo-1.6.2-6.el8_3.aarch64.rpm flatpak-session-helper-1.6.2-6.el8_3.aarch64.rpm flatpak-session-helper-debuginfo-1.6.2-6.el8_3.aarch64.rpm flatpak-tests-debuginfo-1.6.2-6.el8_3.aarch64.rpm noarch: flatpak-selinux-1.6.2-6.el8_3.noarch.rpm ppc64le: flatpak-1.6.2-6.el8_3.ppc64le.rpm flatpak-debuginfo-1.6.2-6.el8_3.ppc64le.rpm flatpak-debugsource-1.6.2-6.el8_3.ppc64le.rpm flatpak-libs-1.6.2-6.el8_3.ppc64le.rpm flatpak-libs-debuginfo-1.6.2-6.el8_3.ppc64le.rpm flatpak-session-helper-1.6.2-6.el8_3.ppc64le.rpm flatpak-session-helper-debuginfo-1.6.2-6.el8_3.ppc64le.rpm flatpak-tests-debuginfo-1.6.2-6.el8_3.ppc64le.rpm s390x: flatpak-1.6.2-6.el8_3.s390x.rpm flatpak-debuginfo-1.6.2-6.el8_3.s390x.rpm flatpak-debugsource-1.6.2-6.el8_3.s390x.rpm flatpak-libs-1.6.2-6.el8_3.s390x.rpm flatpak-libs-debuginfo-1.6.2-6.el8_3.s390x.rpm flatpak-session-helper-1.6.2-6.el8_3.s390x.rpm flatpak-session-helper-debuginfo-1.6.2-6.el8_3.s390x.rpm flatpak-tests-debuginfo-1.6.2-6.el8_3.s390x.rpm x86_64: flatpak-1.6.2-6.el8_3.x86_64.rpm flatpak-debuginfo-1.6.2-6.el8_3.i686.rpm flatpak-debuginfo-1.6.2-6.el8_3.x86_64.rpm flatpak-debugsource-1.6.2-6.el8_3.i686.rpm flatpak-debugsource-1.6.2-6.el8_3.x86_64.rpm flatpak-libs-1.6.2-6.el8_3.i686.rpm flatpak-libs-1.6.2-6.el8_3.x86_64.rpm flatpak-libs-debuginfo-1.6.2-6.el8_3.i686.rpm flatpak-libs-debuginfo-1.6.2-6.el8_3.x86_64.rpm flatpak-session-helper-1.6.2-6.el8_3.x86_64.rpm flatpak-session-helper-debuginfo-1.6.2-6.el8_3.i686.rpm flatpak-session-helper-debuginfo-1.6.2-6.el8_3.x86_64.rpm flatpak-tests-debuginfo-1.6.2-6.el8_3.i686.rpm flatpak-tests-debuginfo-1.6.2-6.el8_3.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-2021-21381 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 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYGwadtzjgjWX9erEAQiNEBAAkVBAYVHz5y9EbP9AAXxHPyy6hPQNaed3 FsmtLFlFJR7ZSBQMqBd0mNd9wGsKbggivr2FRscjiK6hrgJN6CXCpUNbby/an1K7 cOjbZAAOZw70hwqjcky0CnZ3b0IwRs83GOSfLBnmNjWWXzO9nlYLzC7YB4VWqLXI YppFrwF0XfrslAgkNHPICkYO40oyz7vigvdNgmlTp2YOo8IYIXsOL+e6WM38NngA aadUeVefcsajpWubIgh7D1smR4vyeUhm8I9f+bXIu6DGrcz3QWdlf5IkHB3u7xt1 xLXjf0Y/Wk1NKfm31NqOZvf36xo0imCkjkP/vyvTVIOSxQBqL9FQH/34RQJIWDdH d+B/GDX1tWbpV1TlbhqH6a+kOrHWK4wmhDzTfdwGS+wt6PC9vL4MDD91Op3jqSY5 atPOmdLQ9NlFiz3rbG+UjBvnqUC18K4a3KXS37EzZJzSXH7SwDpF7M9pmZkHE8Xc dAgUqhYh2OH470aIMrD4uxvzAJilGrZEDIuGIxkcWx9J9JIzKvh8LTNCJNpUxhvh eDfinblTS1BwfCAEl5oov+KKXP/iD8Nq3BwMlath8pSjTaA8lCiwiVAAz5UAauWw kYtlT1Uy1fnF2HXjARTjaMYguwlY/93A93iBFsbuSZyqTRaPYlxjVQ9c3ozYWL3B 6UypsuwD7RU= =pV4r - -----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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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYGz1OONLKJtyKPYoAQhjvA//aLkkKQzwJruuT0PaAorQHdHKVL+PFwMp 06i1BqIsjdk/xxKR7mjriuUAs++IU4YTHzfg1mIJCsPMGdPh4NPVDGpgzcBBES5P rbq3ZsA46RefbcARFT4vYIcz0i2vY/hvSMgQy7ZS9GgYjYEJU8aHio1fMN4GQmbZ zg1QVeQZUi/W/+MYWt0sp5X4BAbRruG8aCfbDrMZbDNQo1uP8YBp/7qa7+GJWCwS oGzNg8O1XaDCpM6ORc7BUqLFePVzgPKJnaKDizJLwxivqESwXXaEu2C+ceehVf7J DJJpMRkqvoykvs2slEpSVkw7xdculj/5o6qah+cSrJyo2PAnG7bmhAZcaE+nmef7 fR/vcHJlH292lE+y2KmuQEKIg50qYqYb/5Xe0TAlzHnAXPlWrbGCFYLsVhuEceq8 xTgp1AqjWoOHeaZM7OXLlt5aiF9bFS+AQBi2UNvMi+fHqMD9LP1041vjbGQfCCwY 54BLhM2+nHC09YLZ/0wOKMBH1YvVALARBjA2pLSOqsQ3A1L9zbv2obk4vlvG9Lee wOgiDUU0qTqZH28OHHwiIFsKYz/U7Er81LEehT9QvDWl5CdSA3t1kMYL1dgJVJAr JO6oOvLdFWjAecBjMFwcZr0pf/tDGwfpsxdJpAUZmN5A1eoXueztHc5/9WWtlpU2 t7vxs1us/2A= =5O0d -----END PGP SIGNATURE-----