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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.3365 libssh2 security update 30 September 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libssh2 Publisher: Red Hat Operating System: Red Hat Impact/Access: Denial of Service -- Remote with User Interaction Access Confidential Data -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-17498 Reference: ESB-2019.4461 ESB-2019.4281 ESB-2019.4223 ESB-2019.4181 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:3915 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: libssh2 security update Advisory ID: RHSA-2020:3915-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:3915 Issue date: 2020-09-29 CVE Names: CVE-2019-17498 ===================================================================== 1. Summary: An update for libssh2 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 Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch, x86_64 3. Description: The libssh2 packages provide a library that implements the SSH2 protocol. Security Fix(es): * libssh2: integer overflow in SSH_MSG_DISCONNECT logic in packet.c (CVE-2019-17498) 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 7.9 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 these updated packages, all running applications using libssh2 must be restarted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1766898 - CVE-2019-17498 libssh2: integer overflow in SSH_MSG_DISCONNECT logic in packet.c 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: libssh2-1.8.0-4.el7.src.rpm x86_64: libssh2-1.8.0-4.el7.i686.rpm libssh2-1.8.0-4.el7.x86_64.rpm libssh2-debuginfo-1.8.0-4.el7.i686.rpm libssh2-debuginfo-1.8.0-4.el7.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): noarch: libssh2-docs-1.8.0-4.el7.noarch.rpm x86_64: libssh2-debuginfo-1.8.0-4.el7.i686.rpm libssh2-debuginfo-1.8.0-4.el7.x86_64.rpm libssh2-devel-1.8.0-4.el7.i686.rpm libssh2-devel-1.8.0-4.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: libssh2-1.8.0-4.el7.src.rpm x86_64: libssh2-1.8.0-4.el7.i686.rpm libssh2-1.8.0-4.el7.x86_64.rpm libssh2-debuginfo-1.8.0-4.el7.i686.rpm libssh2-debuginfo-1.8.0-4.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): noarch: libssh2-docs-1.8.0-4.el7.noarch.rpm x86_64: libssh2-debuginfo-1.8.0-4.el7.i686.rpm libssh2-debuginfo-1.8.0-4.el7.x86_64.rpm libssh2-devel-1.8.0-4.el7.i686.rpm libssh2-devel-1.8.0-4.el7.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: libssh2-1.8.0-4.el7.src.rpm ppc64: libssh2-1.8.0-4.el7.ppc.rpm libssh2-1.8.0-4.el7.ppc64.rpm libssh2-debuginfo-1.8.0-4.el7.ppc.rpm libssh2-debuginfo-1.8.0-4.el7.ppc64.rpm ppc64le: libssh2-1.8.0-4.el7.ppc64le.rpm libssh2-debuginfo-1.8.0-4.el7.ppc64le.rpm s390x: libssh2-1.8.0-4.el7.s390.rpm libssh2-1.8.0-4.el7.s390x.rpm libssh2-debuginfo-1.8.0-4.el7.s390.rpm libssh2-debuginfo-1.8.0-4.el7.s390x.rpm x86_64: libssh2-1.8.0-4.el7.i686.rpm libssh2-1.8.0-4.el7.x86_64.rpm libssh2-debuginfo-1.8.0-4.el7.i686.rpm libssh2-debuginfo-1.8.0-4.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): noarch: libssh2-docs-1.8.0-4.el7.noarch.rpm ppc64: libssh2-debuginfo-1.8.0-4.el7.ppc.rpm libssh2-debuginfo-1.8.0-4.el7.ppc64.rpm libssh2-devel-1.8.0-4.el7.ppc.rpm libssh2-devel-1.8.0-4.el7.ppc64.rpm ppc64le: libssh2-debuginfo-1.8.0-4.el7.ppc64le.rpm libssh2-devel-1.8.0-4.el7.ppc64le.rpm s390x: libssh2-debuginfo-1.8.0-4.el7.s390.rpm libssh2-debuginfo-1.8.0-4.el7.s390x.rpm libssh2-devel-1.8.0-4.el7.s390.rpm libssh2-devel-1.8.0-4.el7.s390x.rpm x86_64: libssh2-debuginfo-1.8.0-4.el7.i686.rpm libssh2-debuginfo-1.8.0-4.el7.x86_64.rpm libssh2-devel-1.8.0-4.el7.i686.rpm libssh2-devel-1.8.0-4.el7.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: libssh2-1.8.0-4.el7.src.rpm x86_64: libssh2-1.8.0-4.el7.i686.rpm libssh2-1.8.0-4.el7.x86_64.rpm libssh2-debuginfo-1.8.0-4.el7.i686.rpm libssh2-debuginfo-1.8.0-4.el7.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): noarch: libssh2-docs-1.8.0-4.el7.noarch.rpm x86_64: libssh2-debuginfo-1.8.0-4.el7.i686.rpm libssh2-debuginfo-1.8.0-4.el7.x86_64.rpm libssh2-devel-1.8.0-4.el7.i686.rpm libssh2-devel-1.8.0-4.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-2019-17498 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_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 iQIVAwUBX3OhHNzjgjWX9erEAQjSKxAAkqqd1F7Dzc6m4UDwvJWRbv4kMJ2HtqFx ppQ+IfihvQa/7vkQORfGFAYf6T1CKDMmP+IUkEDCVWICOgV0CWMuUcq8ir7H62T9 PtH50QYu+X2E8NrHUchqHMDOH4HIE8geMFx4+qnh75P6A28b8POwFUagI2LdjIkO PhSTKoagSuN3i4Y+56iowJblYhYfSv3ObbvwiCLo0P6yWuZe+zvKKkLEVdx45Y1j cNRvkWWpqCDCgr9Dp3HkBOxBVInLMchUk9sysqdt+vwumNXHoKR17NIxiIFA1k6e 9KCsnCncNfuN1ocS36Mce/Fg3ueK19LkFhZnXkBNPY0XWYGgwqH0mTiKslB4Cm9B SibbbYBAOwggjV0+ztLeuVyyO9Z+Wxdx9zzLkFeBeXk0vzeMC5aXAKnbUWIRnBpM cJQKy3xENO33N6PtgUrwKGYEfitUY4kqd9f2iXbYS1AgmaFL0Uip+Nq0lJU2SKcR m+R8AOZUuMfrh/fgftlKgXFjuVrL6LCEA3O8CsQqWPw7xwkjS6z8fhb/3tTsN8SI H89/fpCUfU1d6v1As7OgXrNUGs1y7aR7LqfaOKECDDv945pRwW1oCS5mE3N+UjIi 0AFOHL66dMxD1SramiMd2d9hNua88qSl7EAhLlnwqFxsiVsfotmV1b8F/QKmWEYf vpQXhBCOMuo= =PLSx - -----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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