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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.0956 slirp4netns security update 18 March 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: slirp4netns Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Impact/Access: Denial of Service -- Existing Account Execute Arbitrary Code/Commands -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-8608 CVE-2020-7039 CVE-2019-15890 CVE-2019-14378 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:0889 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: slirp4netns security update Advisory ID: RHSA-2020:0889-01 Product: Red Hat Enterprise Linux Extras Advisory URL: https://access.redhat.com/errata/RHSA-2020:0889 Issue date: 2020-03-17 CVE Names: CVE-2019-14378 CVE-2019-15890 CVE-2020-7039 CVE-2020-8608 ===================================================================== 1. Summary: An update for slirp4netns 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 slirp4netns package contains user-mode networking for unprivileged network namespaces. It is required to enable networking for rootless containers. Security Fix(es): * QEMU: slirp: heap buffer overflow during packet reassembly (CVE-2019-14378) * QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu() (CVE-2020-7039) * CVE-2020-8608 slirp4netns: QEMU: Slirp: potential OOB access due to unsafe snprintf() usages * CVE-2019-15890 QEMU: Slirp: use-after-free during packet reassembly 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/): 1734745 - CVE-2019-14378 QEMU: slirp: heap buffer overflow during packet reassembly 1749716 - CVE-2019-15890 QEMU: Slirp: use-after-free during packet reassembly 1791551 - CVE-2020-7039 QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu() 1798453 - CVE-2020-8608 QEMU: Slirp: potential OOB access due to unsafe snprintf() usages 6. Package List: Red Hat Enterprise Linux 7 Extras: Source: slirp4netns-0.3.0-8.el7_7.src.rpm ppc64le: slirp4netns-0.3.0-8.el7_7.ppc64le.rpm slirp4netns-debuginfo-0.3.0-8.el7_7.ppc64le.rpm s390x: slirp4netns-0.3.0-8.el7_7.s390x.rpm slirp4netns-debuginfo-0.3.0-8.el7_7.s390x.rpm x86_64: slirp4netns-0.3.0-8.el7_7.x86_64.rpm slirp4netns-debuginfo-0.3.0-8.el7_7.x86_64.rpm Red Hat Enterprise Linux 7 Extras: Source: slirp4netns-0.3.0-8.el7_7.src.rpm x86_64: slirp4netns-0.3.0-8.el7_7.x86_64.rpm slirp4netns-debuginfo-0.3.0-8.el7_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-2019-14378 https://access.redhat.com/security/cve/CVE-2019-15890 https://access.redhat.com/security/cve/CVE-2020-7039 https://access.redhat.com/security/cve/CVE-2020-8608 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 iQIVAwUBXnEPcdzjgjWX9erEAQjGZg/8DokZdKdQr5b+tnmz0ap+aFX2yCrR1TvK JOixVGfyLd3WtlIKzJzA46QuBmKq/h8Uil1OLiVmiagOicBql6V9q1o6eSyfpSrQ R1F6Mc0+C5otDYO8FOW+d+M1DmhCTock08KvNNCecuWhPTRM1Rv4UP6pBChdEUG/ Ws+GFzUIcVqiM+VmtLQcMIUE4V0XM9g5Iv3OzBrPCgghjqNhlzmli7eMKf6H/JVm Lt43PehBMEIxBVddYj5Nfo519pcG/LC2Mzb6qnR5St9PE56WfGqSg9ciVlQdSGpW Ge41tx7VzjV7RsNx44B5jg+6rEPLhbkeh7T301sVERTXoDpCSEPIPJjjCLFlvPkJ 4N6vb7GMCRV1ejs6jDPRlIrbnvk6OEV9axnZ+jicatDT8wdRjTGm0FtuxoVGXuOp fgFBM7s4/mr/mXVDhHDM7jgy6Ioin40HhQSp+5BdDkqh7pIHzWq4/lACgifVAFAm zHqoA/nO02FsRiDfohWkM7U9aIv9G+e11SqD1gJGs9UwHzzTygquCfGqYGvu/k4W n8yZZrsae1HfZVf7D9Dqv5Xdd12dAYRiINW1qj7x5eKwGTpcfYupocn3fE1UlxXW 3CvSwfBD2EPPLbZCDyslGSy1BTZuG4IT8e21tPDJoVF4yIyNRz6jC0Wt09u/xPlg 2KfxcZjQaOY= =rEV/ - -----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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