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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.3023 Important: procmail security update 29 November 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: procmail 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 with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2017-16844 Reference: ESB-2017.2965 ESB-2017.2971.2 Original Bulletin: https://access.redhat.com/errata/RHSA-2017:3269 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: procmail security update Advisory ID: RHSA-2017:3269-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2017:3269 Issue date: 2017-11-28 CVE Names: CVE-2017-16844 ===================================================================== 1. Summary: An update for procmail 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 Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le 3. Description: The procmail packages contain a mail processing tool that can be used to create mail servers, mailing lists, sort incoming mail into separate folders or files, preprocess mail, start any program upon mail arrival, or automatically forward selected incoming mail. Security Fix(es): * A heap-based buffer overflow flaw was found in procmail's formail utility. A remote attacker could send a specially crafted email that, when processed by formail, could cause formail to crash or, possibly, execute arbitrary code as the user running formail. (CVE-2017-16844) 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/): 1500070 - CVE-2017-16844 procmail: Heap-based buffer overflow in loadbuf function in formisc.c 6. Package List: Red Hat Enterprise Linux Client Optional (v. 7): Source: procmail-3.22-36.el7_4.1.src.rpm x86_64: procmail-3.22-36.el7_4.1.x86_64.rpm procmail-debuginfo-3.22-36.el7_4.1.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: procmail-3.22-36.el7_4.1.src.rpm ppc64: procmail-3.22-36.el7_4.1.ppc64.rpm procmail-debuginfo-3.22-36.el7_4.1.ppc64.rpm ppc64le: procmail-3.22-36.el7_4.1.ppc64le.rpm procmail-debuginfo-3.22-36.el7_4.1.ppc64le.rpm s390x: procmail-3.22-36.el7_4.1.s390x.rpm procmail-debuginfo-3.22-36.el7_4.1.s390x.rpm x86_64: procmail-3.22-36.el7_4.1.x86_64.rpm procmail-debuginfo-3.22-36.el7_4.1.x86_64.rpm Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7): Source: procmail-3.22-36.el7_4.1.src.rpm aarch64: procmail-3.22-36.el7_4.1.aarch64.rpm procmail-debuginfo-3.22-36.el7_4.1.aarch64.rpm ppc64le: procmail-3.22-36.el7_4.1.ppc64le.rpm procmail-debuginfo-3.22-36.el7_4.1.ppc64le.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: procmail-3.22-36.el7_4.1.src.rpm x86_64: procmail-3.22-36.el7_4.1.x86_64.rpm procmail-debuginfo-3.22-36.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-2017-16844 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 2017 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFaHd0NXlSAg2UNWIIRAkX6AJ4pLQI+dx8Fm1xHehnwfPc8DMqwTwCeJvsK PWKDWDmjXdT9z5q3RieVuGE= =/ACr - -----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. 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