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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.2488 Important: redhat-virtualization-host security and enhancement update 9 July 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: redhat-virtualization-host Publisher: Red Hat Operating System: Red Hat Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-11479 CVE-2019-11478 CVE-2019-11477 CVE-2019-10168 CVE-2019-10167 CVE-2019-10166 CVE-2019-10161 Reference: ASB-2019.0178 ASB-2019.0174 ASB-2019.0172 ESB-2019.2149.2 ESB-2019.2132.3 Original Bulletin: https://access.redhat.com/errata/RHSA-2019:1699 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: redhat-virtualization-host security and enhancement update Advisory ID: RHSA-2019:1699-01 Product: Red Hat Virtualization Advisory URL: https://access.redhat.com/errata/RHSA-2019:1699 Issue date: 2019-07-08 CVE Names: CVE-2019-10161 CVE-2019-10166 CVE-2019-10167 CVE-2019-10168 CVE-2019-11477 CVE-2019-11478 CVE-2019-11479 ===================================================================== 1. Summary: An update for redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7. 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: RHEL 7-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64 Red Hat Virtualization 4 Hypervisor for RHEL 7 - noarch 3. Description: The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. The following packages have been upgraded to a later upstream version: redhat-release-virtualization-host (4.3.4), redhat-virtualization-host (4.3.4). (BZ#1721058, BZ#1721062, BZ#1721065) Security Fix(es): * kernel: tcp: integer ovrtflow while processing SACK blocks allows remote denial of service (CVE-2019-11477) * libvirt: arbitrary file read/exec via virDomainSaveImageGetXMLDesc API (CVE-2019-10161) * libvirt: virDomainManagedSaveDefineXML API exposed to readonly clients (CVE-2019-10166) * libvirt: arbitrary command execution via virConnectGetDomainCapabilities API (CVE-2019-10167) * libvirt: arbitrary command execution via virConnectBaselineHypervisorCPU and virConnectCompareHypervisorCPU APIs (CVE-2019-10168) * Kernel: tcp: excessive resource consumption while processing SACK blocks allows remote denial of service (CVE-2019-11478) * kernel: tcp: excessive resource consumption for TCP connections with low MSS allows remote denial of service (CVE-2019-11479) 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/2974891 5. Bugs fixed (https://bugzilla.redhat.com/): 1719123 - CVE-2019-11477 Kernel: tcp: integer overflow while processing SACK blocks allows remote denial of service 1719128 - CVE-2019-11478 Kernel: tcp: excessive resource consumption while processing SACK blocks allows remote denial of service 1719129 - CVE-2019-11479 kernel: tcp: excessive resource consumption for TCP connections with low MSS allows remote denial of service 1720114 - CVE-2019-10166 libvirt: virDomainManagedSaveDefineXML API exposed to readonly clients 1720115 - CVE-2019-10161 libvirt: arbitrary file read/exec via virDomainSaveImageGetXMLDesc API 1720117 - CVE-2019-10167 libvirt: arbitrary command execution via virConnectGetDomainCapabilities API 1720118 - CVE-2019-10168 libvirt: arbitrary command execution via virConnectBaselineHypervisorCPU and virConnectCompareHypervisorCPU APIs 1721365 - RHV-H 4.3 rebase on RHEL 7.6 async 6. Package List: Red Hat Virtualization 4 Hypervisor for RHEL 7: Source: redhat-virtualization-host-4.3.4-20190620.3.el7_6.src.rpm noarch: redhat-virtualization-host-image-update-4.3.4-20190620.3.el7_6.noarch.rpm RHEL 7-based RHEV-H for RHEV 4 (build requirements): Source: redhat-release-virtualization-host-4.3.4-1.el7ev.src.rpm noarch: redhat-virtualization-host-image-update-placeholder-4.3.4-1.el7ev.noarch.rpm x86_64: redhat-release-virtualization-host-4.3.4-1.el7ev.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-2019-10161 https://access.redhat.com/security/cve/CVE-2019-10166 https://access.redhat.com/security/cve/CVE-2019-10167 https://access.redhat.com/security/cve/CVE-2019-10168 https://access.redhat.com/security/cve/CVE-2019-11477 https://access.redhat.com/security/cve/CVE-2019-11478 https://access.redhat.com/security/cve/CVE-2019-11479 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/tcpsack 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2019 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXSMKxtzjgjWX9erEAQimUBAAjpwDIcoRLvM15ZlTLO6QMDhggFdy4G+z ltCI1capMpK/4XXfxvDyhYnJPsV5mLREpxLBGvE/mINaG76LSKqhz20ftJYmYhQC kNQ+4XWzxUDvKHHXRkdVJaV6Jv5XfakhPAvlydd/4ogdZAznBIqw6XSAjMbL7a3Y mPlOkYL8wlWR2dvvsAeJswTY7VYV1FBUxtg54miAGQJWeyjy7S2wiQ06Zy4WOdoj Li0r1Iuy6WpTlox+eDcVVG6y/gevT5zK6mIQvxL9+tpW3k7pvlLO806yg51EFfiw eK5hehIq/ZFjN3G8ElYa7Hkh8mIB08XbHl3iJze+HkRt6n0s1pdBFa0T4bLqpu3o haiFXZBm1lE61ArsYNOb6plbPB1YX5PaUqJmLJTOLBOley/rjxMKi6t2Q5v4bEp5 79eofj3NNsPZKMqA8W6dla29K/j4yoLKC2vjPO6Kcdmclb6qAzwqojRgfu9Uk4B5 D45RykpBoWqBHOsn6/L9md0n2nMveombpciWzkXxz/XWpBNoEwqSqaoChAwcarPn Ov505v0GTMc2QytiaMdWwxokZOWizoh6ENzLLn82YESVMd6qsTiwzM2tN3ogw8Ab ozuOHDgiKr4u9hLDa+PU3AnpRVv2Uor9dlbF/FMa6pj8pu+6IyOlpqQjeEKcCEFV fgqbrKNZ2Ls= =XWUO - -----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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