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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2016.1898 Moderate: squid security update 5 August 2016 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: squid Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 6 Red Hat Enterprise Linux WS/Desktop 6 Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2016-5408 CVE-2016-4051 Reference: ASB-2016.0074 ESB-2016.1013 Original Bulletin: https://rhn.redhat.com/errata/RHSA-2016-1573.html - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: squid security update Advisory ID: RHSA-2016:1573-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-1573.html Issue date: 2016-08-04 CVE Names: CVE-2016-5408 ===================================================================== 1. Summary: An update for squid is now available for Red Hat Enterprise Linux 6. 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. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, 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): * It was found that the fix for CVE-2016-4051 released via RHSA-2016:1138 did not properly prevent the stack overflow in the munge_other_line() function. A remote attacker could send specially crafted data to the Squid proxy, which would exploit the cachemgr CGI utility, possibly triggering execution of arbitrary code. (CVE-2016-5408) Red Hat would like to thank Amos Jeffries (Squid) for reporting this issue. 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/): 1359203 - CVE-2016-5408 squid: Buffer overflow vulnerability in cachemgr.cgi tool 6. Package List: Red Hat Enterprise Linux Server (v. 6): Source: squid-3.1.23-16.el6_8.6.src.rpm i386: squid-3.1.23-16.el6_8.6.i686.rpm squid-debuginfo-3.1.23-16.el6_8.6.i686.rpm ppc64: squid-3.1.23-16.el6_8.6.ppc64.rpm squid-debuginfo-3.1.23-16.el6_8.6.ppc64.rpm s390x: squid-3.1.23-16.el6_8.6.s390x.rpm squid-debuginfo-3.1.23-16.el6_8.6.s390x.rpm x86_64: squid-3.1.23-16.el6_8.6.x86_64.rpm squid-debuginfo-3.1.23-16.el6_8.6.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: squid-3.1.23-16.el6_8.6.src.rpm i386: squid-3.1.23-16.el6_8.6.i686.rpm squid-debuginfo-3.1.23-16.el6_8.6.i686.rpm x86_64: squid-3.1.23-16.el6_8.6.x86_64.rpm squid-debuginfo-3.1.23-16.el6_8.6.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-2016-5408 https://rhn.redhat.com/errata/RHSA-2016-1138.html https://access.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2016 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFXozh7XlSAg2UNWIIRAg4AAJ96Rmvua/+TWRbTd8HFlBzrxA94WQCfSnQe +Dl6neUrLXaGxmhcN0UzKFU= =a3Od - -----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: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== 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 iQIVAwUBV6PsRYx+lLeg9Ub1AQg3Qw//SfoCaXx2QDdFjl5IbknSjbDcfmJjuiOK UG+4Hgba11GN5px8JLQMv8kYp6BjYcz/Ghk+PilUnm4/EcDSr2p0oZ9nTw0ihPNC Uvy80E5M3DfWFsgr6whIw9Bvni/YMTliI6fhG5t6d+JPNviYqtEZy0JEU+rnHVuI FMwUwBvp6KYimErDy8qpFCMqA/0x0DkZ1a7eoH+H51S+QQbiTdcYvnqFuSe8UPzv uRIVf+SGo0JUyvRvQ85LEXA1rliOiWSPBic/GAtC7kAFinqpkazOoUmC1nqNFo5L njcHanNB9JIDpzZQeyWtNL/cCsdeib9WVwqRoOkmGzKVASBCCPEPEqwWdWgfmkif FprqMHtukdX/doMDNOg1DEHHbKRkQUy08Wrb9/jvK6ZSmBBgXHHZ1PnzjYezIXQS 2UMdBUPAdnArm1e7ESVYwW+70TEiOTbU5Vn9tmKoLaHQtnvox1m3tTpIQNyZIXeJ 66vgZ/H71ahkFG0yxwqSGm+R/Ec2Xb9kes4kWxb2UPMP9jqS+B4TOk9wli2h5Tho Qr5GEeg4Iq+tXDwpojVIopjDKlpUwbLP0E8kXrdChzUQX+q/x8GQ7gssRo9l3Gxp Blw7vta+kRPtTdEd2md7xJ3IWPT0047g8ynDik0GTD/OM8d7HADgOxv7TrDfSKUM 6zHDG7+9W+A= =zddc -----END PGP SIGNATURE-----