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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.1316 Important: mod_auth_mellon security and bug fix update 17 April 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: mod_auth_mellon Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Impact/Access: Unauthorised Access -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-3878 CVE-2019-3877 Reference: ESB-2019.1256 ESB-2019.1049 ESB-2019.0965.2 Original Bulletin: https://access.redhat.com/errata/RHSA-2019:0766 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: mod_auth_mellon security and bug fix update Advisory ID: RHSA-2019:0766-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:0766 Issue date: 2019-04-16 CVE Names: CVE-2019-3877 CVE-2019-3878 ===================================================================== 1. Summary: An update for mod_auth_mellon is now available 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: 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 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, ppc64le, s390x 3. Description: The mod_auth_mellon module for the Apache HTTP Server is an authentication service that implements the SAML 2.0 federation protocol. The module grants access based on the attributes received in assertions generated by an IdP server. Security Fix(es): * mod_auth_mellon: authentication bypass in ECP flow (CVE-2019-3878) * mod_auth_mellon: open redirect in logout url when using URLs with backslashes (CVE-2019-3877) 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. Bug Fix(es): * mod_auth_mellon Cert files name wrong when hostname contains a number (fixed in upstream package) (BZ#1697487) 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/): 1691125 - CVE-2019-3877 mod_auth_mellon: open redirect in logout url when using URLs with backslashes 1691126 - CVE-2019-3878 mod_auth_mellon: authentication bypass in ECP flow 1697487 - mod_auth_mellon Cert files name wrong when hostname contains a number (fixed in upstream package) [rhel-7.6.z] 6. Package List: Red Hat Enterprise Linux Server (v. 7): Source: mod_auth_mellon-0.14.0-2.el7_6.4.src.rpm ppc64: mod_auth_mellon-0.14.0-2.el7_6.4.ppc64.rpm mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.ppc64.rpm ppc64le: mod_auth_mellon-0.14.0-2.el7_6.4.ppc64le.rpm mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.ppc64le.rpm s390x: mod_auth_mellon-0.14.0-2.el7_6.4.s390x.rpm mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.s390x.rpm x86_64: mod_auth_mellon-0.14.0-2.el7_6.4.x86_64.rpm mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.x86_64.rpm Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7): Source: mod_auth_mellon-0.14.0-2.el7_6.4.src.rpm aarch64: mod_auth_mellon-0.14.0-2.el7_6.4.aarch64.rpm mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.aarch64.rpm ppc64le: mod_auth_mellon-0.14.0-2.el7_6.4.ppc64le.rpm mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.ppc64le.rpm s390x: mod_auth_mellon-0.14.0-2.el7_6.4.s390x.rpm mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.s390x.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.ppc64.rpm mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.ppc64.rpm ppc64le: mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.ppc64le.rpm mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.ppc64le.rpm s390x: mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.s390x.rpm mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.s390x.rpm x86_64: mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.x86_64.rpm mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.x86_64.rpm Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7): aarch64: mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.aarch64.rpm mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.aarch64.rpm ppc64le: mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.ppc64le.rpm mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.ppc64le.rpm s390x: mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.s390x.rpm mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.s390x.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: mod_auth_mellon-0.14.0-2.el7_6.4.src.rpm x86_64: mod_auth_mellon-0.14.0-2.el7_6.4.x86_64.rpm mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.x86_64.rpm mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.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-2019-3877 https://access.redhat.com/security/cve/CVE-2019-3878 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 iQIVAwUBXLXphNzjgjWX9erEAQghYQ/+IpsEMuxJila9gVfmlSvWCoshq8yXtXsk VwXo5oP8VK8v3td6+EqURi4VPGuY62pPk572y3NBA/XaEGFuaS8S7SzsKWYhp9GN MHRYxE69auU7b8XivCFqkzo29Tma+Ulj7sLaoJ43XeKgNueqR3mOgpy9S2xSdpNg +LgoAQ7KA1Pvd1rXpoD/I+KAVCFhkpd+nmQ1X7ANDVMWlHE4HKvpePA7goAOA/P2 4TwwEvSbLwNlqFOKnXELnTJ/E3iESsFbEZDbuINAPCYhcPaXo5ycfK/toIk/pZCb jgd+cHB6XENI1p803bdF4c3asmkt3NjNHUIJYl9bVotJdqR2ns6xEGzItQhQi0vb vxnfNALDMk+x30xn7ESzMI/eqLUKxqjjXJvivtp2YEoc1L4cPuKQeZC02WikOeYz /KqjquJ100qB6uVaowmx8rosxG+sWAOe1d/7icnre/UAX9IDr/cNlI7uhpG+x8lU +yEH1CIo5FsqXGSvGXCl+YJLFexPIlIKcG1ycHOB58vyLy4OX1+RCOBB9gkAFIKQ 8QFwG5IeZp+iAZYYWSG2UoD46xI3rKoAknFaTUbRseyAEfCDnDt/04hcdKyadCNK fwdt2gK98EotzxVUuU/gzC2+fcxaFG25zPLrwJOwdDmeLVquqTWhncY5G1x/rDKQ PAApg+Klhjc= =FQO7 - -----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 iQIVAwUBXLZy2GaOgq3Tt24GAQguyhAAlcnYgpAPtsoPS1c84ULTRslCDz/bthsT gjQIH7RNaMthSg02rZD5uv/NGqlXvACoDg/0m1GBCMLxmSakoM64et+X9oAzsU9g TZQZ1KTLywUdKq2D2pZVYzArrY1Bn3V1U0vQ7vqHX1Mfmjs/Mjm/nHBQWTCCbDih xFe2S3N3cNdjwKU227M/Qdm39XWfqWC0mQH2hmyrw+M5h2bp1itGfwvYWnHk4HvM IetNSuZhBLMGbdZBMecsqYqHZyG72xm0pEhtsHj/YqIrmrweOaASocoaOVWEQvr9 uaYXvSZ9N7cnK5TWqP53IOn4QeqrfX5/6eCm9/Vust16qRsAwTrEyhw1aHqP4KIp 21HIcf7QmKey7lM+xvpKq1CIaeBD+7DKywyg7oFdIs+vuh4V5T4VYvuKBdzygslt YosfCL3bMAhK9HSOBenPz3zIsGoN64DhP3MHdAYhNIXNfN5kixwha6nh0M3CFNVL ZlWoBqQOZL3UFdYqX3aOnln8XP5tb7Eeg+ktpCLcSzoVgfLry/TNDdI1ym1i1+ta DpO+0/gv7/bxu2LJtan5xulOiarqHiQ9+/IQTMAyecH+SO28Tw6gPMA5RRQEhSJR 9H18JM86mXqdSZQZdmpAReSqI5istdXw/RK2uZXrgU9ZrIMNZPjcPB7v4Rvzp5gm dhkw0XBMnrw= =1LOH -----END PGP SIGNATURE-----