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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.2858.2 libssh2 security update 8 August 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libssh2 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-2019-3863 CVE-2019-3857 CVE-2019-3856 CVE-2019-3855 Reference: ESB-2019.2795 ESB-2019.2760 ESB-2019.0911 ESB-2019.0894 Original Bulletin: https://access.redhat.com/errata/RHSA-2019:1943 https://access.redhat.com/errata/RHSA-2019:2399 Comment: This bulletin contains two (2) Red Hat security advisories. Revision History: August 8 2019: Added RHSA-2019:2399 for RHEL 7.3. July 31 2019: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: libssh2 security update Advisory ID: RHSA-2019:1943-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:1943 Issue date: 2019-07-30 CVE Names: CVE-2019-3855 CVE-2019-3856 CVE-2019-3857 CVE-2019-3863 ===================================================================== 1. Summary: An update for libssh2 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 ComputeNode EUS (v. 7.4) - x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4) - noarch, x86_64 Red Hat Enterprise Linux Server EUS (v. 7.4) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.4) - noarch, ppc64, ppc64le, s390x, x86_64 3. Description: The libssh2 packages provide a library that implements the SSH2 protocol. Security Fix(es): * libssh2: Integer overflow in transport read resulting in out of bounds write (CVE-2019-3855) * libssh2: Integer overflow in keyboard interactive handling resulting in out of bounds write (CVE-2019-3856) * libssh2: Integer overflow in SSH packet processing channel resulting in out of bounds write (CVE-2019-3857) * libssh2: Integer overflow in user authenticate keyboard interactive allows out-of-bounds writes (CVE-2019-3863) 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 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/): 1687303 - CVE-2019-3855 libssh2: Integer overflow in transport read resulting in out of bounds write 1687304 - CVE-2019-3856 libssh2: Integer overflow in keyboard interactive handling resulting in out of bounds write 1687305 - CVE-2019-3857 libssh2: Integer overflow in SSH packet processing channel resulting in out of bounds write 1687313 - CVE-2019-3863 libssh2: Integer overflow in user authenticate keyboard interactive allows out-of-bounds writes 6. Package List: Red Hat Enterprise Linux ComputeNode EUS (v. 7.4): Source: libssh2-1.4.3-11.el7_4.1.src.rpm x86_64: libssh2-1.4.3-11.el7_4.1.i686.rpm libssh2-1.4.3-11.el7_4.1.x86_64.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4): noarch: libssh2-docs-1.4.3-11.el7_4.1.noarch.rpm x86_64: libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm libssh2-devel-1.4.3-11.el7_4.1.i686.rpm libssh2-devel-1.4.3-11.el7_4.1.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 7.4): Source: libssh2-1.4.3-11.el7_4.1.src.rpm ppc64: libssh2-1.4.3-11.el7_4.1.ppc.rpm libssh2-1.4.3-11.el7_4.1.ppc64.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.ppc.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.ppc64.rpm ppc64le: libssh2-1.4.3-11.el7_4.1.ppc64le.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.ppc64le.rpm s390x: libssh2-1.4.3-11.el7_4.1.s390.rpm libssh2-1.4.3-11.el7_4.1.s390x.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.s390.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.s390x.rpm x86_64: libssh2-1.4.3-11.el7_4.1.i686.rpm libssh2-1.4.3-11.el7_4.1.x86_64.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm Red Hat Enterprise Linux Server Optional EUS (v. 7.4): noarch: libssh2-docs-1.4.3-11.el7_4.1.noarch.rpm ppc64: libssh2-debuginfo-1.4.3-11.el7_4.1.ppc.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.ppc64.rpm libssh2-devel-1.4.3-11.el7_4.1.ppc.rpm libssh2-devel-1.4.3-11.el7_4.1.ppc64.rpm ppc64le: libssh2-debuginfo-1.4.3-11.el7_4.1.ppc64le.rpm libssh2-devel-1.4.3-11.el7_4.1.ppc64le.rpm s390x: libssh2-debuginfo-1.4.3-11.el7_4.1.s390.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.s390x.rpm libssh2-devel-1.4.3-11.el7_4.1.s390.rpm libssh2-devel-1.4.3-11.el7_4.1.s390x.rpm x86_64: libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm libssh2-devel-1.4.3-11.el7_4.1.i686.rpm libssh2-devel-1.4.3-11.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-2019-3855 https://access.redhat.com/security/cve/CVE-2019-3856 https://access.redhat.com/security/cve/CVE-2019-3857 https://access.redhat.com/security/cve/CVE-2019-3863 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 iQIVAwUBXUAJg9zjgjWX9erEAQjU+xAAiz4nZ+jJLtCpmhpZ0T4jhP13V4DqcfUQ MUZKNOBBhzlevn+qi2ArbZreg/ZLzGS3xbt7hX2MzamnuPF+/W7XO8koECRaLyOu cwKm5mcFQ3SRZKmTcpcGl6Y5j0npOuQx2UJiDRVe4Zcb3Tf0d5f3lg7dayLP9RFG zdXsm1Jn5VJYaNZbs7HgyIBktJKlnFT4qu0DmKyWY/b8sOnx3Oseiy4pX8dlZ3QD R+W8E1iaAcpZ62X305LyKuKysTLy5L/Ym5xnMlAgptcEoS2pLIO+3V9kuUZ7/Izm CuuefspEPVVHGc//PJtD0oafDZ6HAhEAF00G0NZofos9/tgTn0JkWUUq7UQbSSPf RVuyByP3UhZCoRsqkKnv8ACpYl7S5Vn96nSC854mmYVNwyU9ZPHtLdjrM2rH+iJs Jz21IZ9qeJbCysIBy2ptXjbmDvm6a/S2kgj4649ogzveUSZGM5abImLpSeDlPzV6 Iajo8of0e2dL3mse247caenC+YLUjgcW3xIsdRQO4xOS2bSrCraWjSsVD26h5brr lCa+KL5FZObYBqX4Fa2u4HAhKopYm6dr3Mzlt0yISHW4xokn3dSTVsl0dOOL330k 2Fjr8WzWvsY/pGWjfE+PrQbrBK5rgZCAV49CIt9CUJwOCWVw2XEvZygj21rs7JD6 sCL11mIiwWw= =Eh8E - -----END PGP SIGNATURE----- - -------------------------------------------------------------------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: libssh2 security update Advisory ID: RHSA-2019:2399-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:2399 Issue date: 2019-08-07 CVE Names: CVE-2019-3855 CVE-2019-3856 CVE-2019-3857 CVE-2019-3863 ===================================================================== 1. Summary: An update for libssh2 is now available for Red Hat Enterprise Linux 7.3 Advanced Update Support, Red Hat Enterprise Linux 7.3 Telco Extended Update Support, and Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions. 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 AUS (v. 7.3) - x86_64 Red Hat Enterprise Linux Server E4S (v. 7.3) - ppc64le, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.3) - noarch, x86_64 Red Hat Enterprise Linux Server Optional E4S (v. 7.3) - noarch, ppc64le, x86_64 Red Hat Enterprise Linux Server Optional TUS (v. 7.3) - noarch, x86_64 Red Hat Enterprise Linux Server TUS (v. 7.3) - x86_64 3. Description: The libssh2 packages provide a library that implements the SSH2 protocol. Security Fix(es): * libssh2: Integer overflow in transport read resulting in out of bounds write (CVE-2019-3855) * libssh2: Integer overflow in keyboard interactive handling resulting in out of bounds write (CVE-2019-3856) * libssh2: Integer overflow in SSH packet processing channel resulting in out of bounds write (CVE-2019-3857) * libssh2: Integer overflow in user authenticate keyboard interactive allows out-of-bounds writes (CVE-2019-3863) 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 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/): 1687303 - CVE-2019-3855 libssh2: Integer overflow in transport read resulting in out of bounds write 1687304 - CVE-2019-3856 libssh2: Integer overflow in keyboard interactive handling resulting in out of bounds write 1687305 - CVE-2019-3857 libssh2: Integer overflow in SSH packet processing channel resulting in out of bounds write 1687313 - CVE-2019-3863 libssh2: Integer overflow in user authenticate keyboard interactive allows out-of-bounds writes 6. Package List: Red Hat Enterprise Linux Server AUS (v. 7.3): Source: libssh2-1.4.3-11.el7_3.1.src.rpm x86_64: libssh2-1.4.3-11.el7_3.1.i686.rpm libssh2-1.4.3-11.el7_3.1.x86_64.rpm libssh2-debuginfo-1.4.3-11.el7_3.1.i686.rpm libssh2-debuginfo-1.4.3-11.el7_3.1.x86_64.rpm Red Hat Enterprise Linux Server E4S (v. 7.3): Source: libssh2-1.4.3-11.el7_3.1.src.rpm ppc64le: libssh2-1.4.3-11.el7_3.1.ppc64le.rpm libssh2-debuginfo-1.4.3-11.el7_3.1.ppc64le.rpm x86_64: libssh2-1.4.3-11.el7_3.1.i686.rpm libssh2-1.4.3-11.el7_3.1.x86_64.rpm libssh2-debuginfo-1.4.3-11.el7_3.1.i686.rpm libssh2-debuginfo-1.4.3-11.el7_3.1.x86_64.rpm Red Hat Enterprise Linux Server TUS (v. 7.3): Source: libssh2-1.4.3-11.el7_3.1.src.rpm x86_64: libssh2-1.4.3-11.el7_3.1.i686.rpm libssh2-1.4.3-11.el7_3.1.x86_64.rpm libssh2-debuginfo-1.4.3-11.el7_3.1.i686.rpm libssh2-debuginfo-1.4.3-11.el7_3.1.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.3): noarch: libssh2-docs-1.4.3-11.el7_3.1.noarch.rpm x86_64: libssh2-debuginfo-1.4.3-11.el7_3.1.i686.rpm libssh2-debuginfo-1.4.3-11.el7_3.1.x86_64.rpm libssh2-devel-1.4.3-11.el7_3.1.i686.rpm libssh2-devel-1.4.3-11.el7_3.1.x86_64.rpm Red Hat Enterprise Linux Server Optional E4S (v. 7.3): noarch: libssh2-docs-1.4.3-11.el7_3.1.noarch.rpm ppc64le: libssh2-debuginfo-1.4.3-11.el7_3.1.ppc64le.rpm libssh2-devel-1.4.3-11.el7_3.1.ppc64le.rpm x86_64: libssh2-debuginfo-1.4.3-11.el7_3.1.i686.rpm libssh2-debuginfo-1.4.3-11.el7_3.1.x86_64.rpm libssh2-devel-1.4.3-11.el7_3.1.i686.rpm libssh2-devel-1.4.3-11.el7_3.1.x86_64.rpm Red Hat Enterprise Linux Server Optional TUS (v. 7.3): noarch: libssh2-docs-1.4.3-11.el7_3.1.noarch.rpm x86_64: libssh2-debuginfo-1.4.3-11.el7_3.1.i686.rpm libssh2-debuginfo-1.4.3-11.el7_3.1.x86_64.rpm libssh2-devel-1.4.3-11.el7_3.1.i686.rpm libssh2-devel-1.4.3-11.el7_3.1.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-2019-3855 https://access.redhat.com/security/cve/CVE-2019-3856 https://access.redhat.com/security/cve/CVE-2019-3857 https://access.redhat.com/security/cve/CVE-2019-3863 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 iQIVAwUBXUq4BNzjgjWX9erEAQgERw//V2cQtRQXnp/xq71BGMmu+YQFaRiGCyRX ta2OmmGCeVH6+NQtDRFE5Nv5M+wa9tFhF0gCFtvSHc7X0oLYm2DwJ0nqh/X9YRAJ sNL5JmEb+Tv+4wyOLZ+/4/hjon/J+3V5fKU07dqb/tuyHbF/LL+cxID411owgnzg hvgPqC2pf8ZlWBQpjmdI3sD7ckG5FYMFLYsQfwKQih4OZ09Ilzi900HMVPKmv61a Uswrt/y8/lAibi3PQ7dNIwvc76OYcX0mcBmi0rJ7lZTQSc9eK9EpFXRr63clUIOo EKgEBgQx7bwbLS2L5kctIYJXoF3TlI0o/M1TM4P+8K+vLvcrs1Y8R9RlVeV+v+JD mEgU9YmmjcmZAWQLoR2aMm5IZI6hZnd7OJEd6TuIwXOLnWjx5t6jae+5+fGim6Zc wwXfbOTA/ffNG9MTIaUF4kHLqLOe0SACLigYjVxOzOBEVNp1GJiA9eeMO676EhrR 80yOKLigwCh31PxYcIPDqWMeftC8IHtqczBsMbNfO83XZGc1JabTa1IilK5+BZyt dT4rzJIEoqKhRFlZ06hCllSpklzcS8/NaKgWXDFN3wco/Pic2padoUpAlxZy6QNS VgID5WH4nMVzkexKzJYrRLmwJcZMcsC7aWVuYbfjkHBRrXez451VMtMDVnPTYYbh JpXWEtWVokk= =WG3L - -----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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