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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.2860 Important: keepalived security update 31 July 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: keepalived Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-19115 Reference: ESB-2019.2639 ESB-2019.1916 ESB-2019.0049 ESB-2018.3664.2 Original Bulletin: https://access.redhat.com/errata/RHSA-2019:1945 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: keepalived security update Advisory ID: RHSA-2019:1945-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:1945 Issue date: 2019-07-30 CVE Names: CVE-2018-19115 ===================================================================== 1. Summary: An update for keepalived is now available for Red Hat Enterprise Linux 7.4 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 Server EUS (v. 7.4) - ppc64le, x86_64 3. Description: The keepalived utility provides simple and robust facilities for load balancing and high availability. The load balancing framework relies on the well-known and widely used IP Virtual Server (IPVS) kernel module providing layer-4 (transport layer) load balancing. Keepalived implements a set of checkers to dynamically and adaptively maintain and manage a load balanced server pool according to the health of the servers. Keepalived also implements the Virtual Router Redundancy Protocol (VRRPv2) to achieve high availability with director failover. Security Fix(es): * keepalived: Heap-based buffer overflow when parsing HTTP status codes allows for denial of service or possibly arbitrary code execution (CVE-2018-19115) 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/): 1651871 - CVE-2018-19115 keepalived: Heap-based buffer overflow when parsing HTTP status codes allows for denial of service or possibly arbitrary code execution 6. Package List: Red Hat Enterprise Linux Server EUS (v. 7.4): Source: keepalived-1.3.5-1.el7_4.1.src.rpm ppc64le: keepalived-1.3.5-1.el7_4.1.ppc64le.rpm keepalived-debuginfo-1.3.5-1.el7_4.1.ppc64le.rpm x86_64: keepalived-1.3.5-1.el7_4.1.x86_64.rpm keepalived-debuginfo-1.3.5-1.el7_4.1.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-2018-19115 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 2019 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXUAJftzjgjWX9erEAQh32RAAk9XahWOsLRX3RqCBsuQjjeO2PFJ7P6uw 1YLQy3x91shfKFUZKYAWMTCvC1LMTGkGbdRpm8WvdwRVvb2nd1giN3CmagGEm7rC O9NEDhcekjGKEc+nBeo9s2BzSDi7GrvGnZ7bh+2zOSqFVdiv/R/TVm0KoROVVDFZ vEvqA4Vf9yp8g5y37HUssiLdvSVcKSr9xcn3LUvnDp35OdpVO8im2avLu09iOBQ7 riEcOhPXko+Fz1dO7wnqrwsAzeUJ7Urar8tcrheMJHTRvdqujQt8U7y5Xq/Yl0vU gTmXS9mSnUpMd/5TYTuIz96POSLNw7koRxyn8180qLr5LFejLczWal9lZRT1ol7f wLENEw1bXFxHnpU/FpsoKWZoV/4icORduM4Q+3gUEsGieVRjt7kPjXwqPYJ2i1Bh cWLAHry8ViPpOfTrmNnpkZJ+z6gKk+cH3S8SbFlDSy5aSve1J19LPKngGcPFHfyx xWYB07MVOdJvRVs1ebZP0joBEeDSuJOU0G4oqePZ0ElWO8c1pwgLAmC5B/OBCS16 W5chKteBjDhiSBKS8uKGqVV+4NmpCZAenhJKLn7K/bqk820AXbm9SATMEjY3bW5+ snuEgwxitOCKRkEj4UowYBbHqlECAfbgFs7AvfGjDE8ej9Xld7tVSPxtpOzhms77 vL00beTU7ZU= =zvqI - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXUEbF2aOgq3Tt24GAQgpwg/9Gq72QA48BOALypxFxTMr8H5WKQaeNYek IL9ys2UTsoPIeHoPo4uwiUW2g/JfDGxwN+idSxbTkwyavLwOMqtaGAQP2esh57ZA aKXnnasTb4HzCecQWIjJCYtM9MCoHovXKe7uDykW93ZqY76Cuz7lWJvJ2P8LHXT1 OlkJgKgnmYKph9fZIEjQxQOAI4oSr7eF5E8cM4c7OkNSIrfH7NM5BV402xHzAxYg zBu/3uCiF4b/A8Vkf+Ij2xY9KvjjucOvzine5BRTX16dgvtdHbqqBiQov2SIkRGq oPrAaiY/BZOaBuFQrTx59ZAE4Sp5W+Vsf/1PDCWPyM2XBAGMMlTNuSW7aZjHIBKc srVI7ynvsY4Ve5B4Kze3iIPiAip8IQJisS68Ol0UCE8dJV0DTLmQSz4QnfLQTWKy cusf033RM5IHGvne6UFBUPSIusc4xDv+lGEt3R5s6iVZ2n4VLWILvu6PUCqqQgHe fD5bFfhQ85BfqXEJCor8rsD2IJdgBnSnpb5rnbck9SBAe7By1DyZ8/pDYBFnmrnn q73hyHeexiopAMZnKm8lL08mto12SXu9rcZ4BilvB5rXZ8h8NznLNHsUv/EZDgPM wTnkmODHhjbLiY4p1tGZKfpqrX0s5PWCSUVfG+1ZZuu79R74I76ljebX6OkILU+B jPMMKofCb1w= =9CbI -----END PGP SIGNATURE-----