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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.1125 squid security and bug fix update 1 April 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: squid Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Impact/Access: Denial of Service -- Remote/Unauthenticated Cross-site Scripting -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-13345 CVE-2018-1000027 CVE-2018-1000024 Reference: ESB-2019.4472 ESB-2019.4327 ESB-2019.4128 ESB-2019.3157 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:1068 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: squid security and bug fix update Advisory ID: RHSA-2020:1068-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:1068 Issue date: 2020-03-31 CVE Names: CVE-2018-1000024 CVE-2018-1000027 CVE-2019-13345 ===================================================================== 1. Summary: An update for squid is now available for Red Hat Enterprise Linux 7. 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: Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64 3. Description: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. Security Fix(es): * squid: Incorrect pointer handling when processing ESI Responses can lead to denial of service (CVE-2018-1000024) * squid: Incorrect pointer handling in HTTP processing and certificate download can lead to denial of service (CVE-2018-1000027) * squid: XSS via user_name or auth parameter in cachemgr.cgi (CVE-2019-13345) 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from 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 After installing this update, the squid service will be restarted automatically. 5. Bugs fixed (https://bugzilla.redhat.com/): 1536939 - CVE-2018-1000024 squid: Incorrect pointer handling when processing ESI Responses can lead to denial of service 1536942 - CVE-2018-1000027 squid: Incorrect pointer handling in HTTP processing and certificate download can lead to denial of service 1680022 - squid can't display download/upload packet size for HTTPS sites 1717430 - Excessive memory usage when running out of descriptors 1727744 - CVE-2019-13345 squid: XSS via user_name or auth parameter in cachemgr.cgi 6. Package List: Red Hat Enterprise Linux Server (v. 7): Source: squid-3.5.20-15.el7.src.rpm ppc64: squid-3.5.20-15.el7.ppc64.rpm squid-debuginfo-3.5.20-15.el7.ppc64.rpm squid-migration-script-3.5.20-15.el7.ppc64.rpm ppc64le: squid-3.5.20-15.el7.ppc64le.rpm squid-debuginfo-3.5.20-15.el7.ppc64le.rpm squid-migration-script-3.5.20-15.el7.ppc64le.rpm s390x: squid-3.5.20-15.el7.s390x.rpm squid-debuginfo-3.5.20-15.el7.s390x.rpm squid-migration-script-3.5.20-15.el7.s390x.rpm x86_64: squid-3.5.20-15.el7.x86_64.rpm squid-debuginfo-3.5.20-15.el7.x86_64.rpm squid-migration-script-3.5.20-15.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: squid-debuginfo-3.5.20-15.el7.ppc64.rpm squid-sysvinit-3.5.20-15.el7.ppc64.rpm ppc64le: squid-debuginfo-3.5.20-15.el7.ppc64le.rpm squid-sysvinit-3.5.20-15.el7.ppc64le.rpm s390x: squid-debuginfo-3.5.20-15.el7.s390x.rpm squid-sysvinit-3.5.20-15.el7.s390x.rpm x86_64: squid-debuginfo-3.5.20-15.el7.x86_64.rpm squid-sysvinit-3.5.20-15.el7.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: squid-3.5.20-15.el7.src.rpm x86_64: squid-3.5.20-15.el7.x86_64.rpm squid-debuginfo-3.5.20-15.el7.x86_64.rpm squid-migration-script-3.5.20-15.el7.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: squid-debuginfo-3.5.20-15.el7.x86_64.rpm squid-sysvinit-3.5.20-15.el7.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-2018-1000024 https://access.redhat.com/security/cve/CVE-2018-1000027 https://access.redhat.com/security/cve/CVE-2019-13345 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.8_release_notes/index 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 iQIVAwUBXoOc0tzjgjWX9erEAQh4Vg//TjNhhV5Vn6KdJuK1v0CuHrP5kzAppUvL /qrEAC5uv0S3Esx5mFnlg2vqXnA3irHBxD9yAgWwGspaJgvAvaTlnWGVNorDakIO 1pEQtZvLKVHCKWqaLIA6i/9k3mR5xbXcNB3+ADSJJM2b+ogsPQvScj8Cj4QCcdrz +jZsOHGcQkHIVPedaYH0CfSgz7gIQfiqLwBmYlBq9YMwNk4m5ZRtrIA3TE1ji3F2 TJ0AwYbJAaEN9ziXf/n456nGJJV3yHFYZqEWcre286cSZkM15T6kTrVcPcxSO5j2 ywCGA6hvhK1VJtWrnb7xAVGMxqAZAl3MyuczeeW1GPXdCAPwtlwLkx5Hw1Wm5H0y 8yS+9LaIavWfUiteYYxOCvIYzWUhpWNRHMRxcIRHoIgc2sAZbBkLIZUEEtuylo8i BRigC5nwaAML4lCdV9PsWKH57dytHIxa5YfmerB8vMY4/cNmC+QsFCgItyH7a85/ B1LXI97Xi+zb1xquD2yKr8SclSWHhz9Qgmbf+R8fFblPhUuYh+xeNxCcq3iaWI4s cWHk8klKAW+WeQIrkqHASqo7v+f3ePYoOjYbbNxmULZy/v5d2FyEZs5KEi/KbWei c8k8SXFIXlwWfEiuaE3BW/J0UMeoQyngXkbVagLOU2Ma1qdiQkYr2JrE8//jP2I6 MH76I8C6RCE= =MuxY - -----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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