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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.3402 libexif security, bug fix, and enhancement update 30 September 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libexif Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Impact/Access: Denial of Service -- Remote/Unauthenticated Increased Privileges -- Remote/Unauthenticated Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-13114 CVE-2020-13113 CVE-2020-12767 CVE-2020-0182 CVE-2020-0093 CVE-2019-9278 Reference: ESB-2020.2074 ESB-2020.1888 ESB-2020.1759 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:4040 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: libexif security, bug fix, and enhancement update Advisory ID: RHSA-2020:4040-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:4040 Issue date: 2020-09-29 CVE Names: CVE-2019-9278 CVE-2020-0093 CVE-2020-0182 CVE-2020-12767 CVE-2020-13113 CVE-2020-13114 ===================================================================== 1. Summary: An update for libexif 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) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 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 3. Description: The libexif packages provide a library for extracting extra information from image files. The following packages have been upgraded to a later upstream version: libexif (0.6.22). (BZ#1841316) Security Fix(es): * libexif: out of bound write in exif-data.c (CVE-2019-9278) * libexif: out of bounds read due to a missing bounds check in exif_data_save_data_entry function in exif-data.c (CVE-2020-0093) * libexif: use of uninitialized memory in EXIF Makernote handling can lead to crashes and use-after-free (CVE-2020-13113) * libexif: unrestricted size in handling Canon EXIF MakerNote data can lead to consumption of large amounts of compute time (CVE-2020-13114) * libexif: out of bounds read due to a missing bounds check in exif_entry_get_value function in exif-entry.c (CVE-2020-0182) * libexif: divide-by-zero in exif_entry_get_value function in exif-entry.c (CVE-2020-12767) 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 5. Bugs fixed (https://bugzilla.redhat.com/): 1789031 - CVE-2019-9278 libexif: out of bound write in exif-data.c 1834950 - CVE-2020-12767 libexif: divide-by-zero in exif_entry_get_value function in exif-entry.c 1840347 - CVE-2020-13113 libexif: use of uninitialized memory in EXIF Makernote handling can lead to crashes and use-after-free 1840350 - CVE-2020-13114 libexif: unrestricted size in handling Canon EXIF MakerNote data can lead to consumption of large amounts of compute time 1841316 - Rebase to libexif 0.6.22 1852487 - CVE-2020-0093 libexif: out of bounds read due to a missing bounds check in exif_data_save_data_entry function in exif-data.c 1852490 - CVE-2020-0182 libexif: out of bounds read due to a missing bounds check in exif_entry_get_value function in exif-entry.c 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: libexif-0.6.22-1.el7.src.rpm x86_64: libexif-0.6.22-1.el7.i686.rpm libexif-0.6.22-1.el7.x86_64.rpm libexif-debuginfo-0.6.22-1.el7.i686.rpm libexif-debuginfo-0.6.22-1.el7.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: libexif-debuginfo-0.6.22-1.el7.i686.rpm libexif-debuginfo-0.6.22-1.el7.x86_64.rpm libexif-devel-0.6.22-1.el7.i686.rpm libexif-devel-0.6.22-1.el7.x86_64.rpm libexif-doc-0.6.22-1.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): Source: libexif-0.6.22-1.el7.src.rpm x86_64: libexif-0.6.22-1.el7.i686.rpm libexif-0.6.22-1.el7.x86_64.rpm libexif-debuginfo-0.6.22-1.el7.i686.rpm libexif-debuginfo-0.6.22-1.el7.x86_64.rpm libexif-devel-0.6.22-1.el7.i686.rpm libexif-devel-0.6.22-1.el7.x86_64.rpm libexif-doc-0.6.22-1.el7.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: libexif-0.6.22-1.el7.src.rpm ppc64: libexif-0.6.22-1.el7.ppc.rpm libexif-0.6.22-1.el7.ppc64.rpm libexif-debuginfo-0.6.22-1.el7.ppc.rpm libexif-debuginfo-0.6.22-1.el7.ppc64.rpm ppc64le: libexif-0.6.22-1.el7.ppc64le.rpm libexif-debuginfo-0.6.22-1.el7.ppc64le.rpm s390x: libexif-0.6.22-1.el7.s390.rpm libexif-0.6.22-1.el7.s390x.rpm libexif-debuginfo-0.6.22-1.el7.s390.rpm libexif-debuginfo-0.6.22-1.el7.s390x.rpm x86_64: libexif-0.6.22-1.el7.i686.rpm libexif-0.6.22-1.el7.x86_64.rpm libexif-debuginfo-0.6.22-1.el7.i686.rpm libexif-debuginfo-0.6.22-1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: libexif-debuginfo-0.6.22-1.el7.ppc.rpm libexif-debuginfo-0.6.22-1.el7.ppc64.rpm libexif-devel-0.6.22-1.el7.ppc.rpm libexif-devel-0.6.22-1.el7.ppc64.rpm libexif-doc-0.6.22-1.el7.ppc64.rpm ppc64le: libexif-debuginfo-0.6.22-1.el7.ppc64le.rpm libexif-devel-0.6.22-1.el7.ppc64le.rpm libexif-doc-0.6.22-1.el7.ppc64le.rpm s390x: libexif-debuginfo-0.6.22-1.el7.s390.rpm libexif-debuginfo-0.6.22-1.el7.s390x.rpm libexif-devel-0.6.22-1.el7.s390.rpm libexif-devel-0.6.22-1.el7.s390x.rpm libexif-doc-0.6.22-1.el7.s390x.rpm x86_64: libexif-debuginfo-0.6.22-1.el7.i686.rpm libexif-debuginfo-0.6.22-1.el7.x86_64.rpm libexif-devel-0.6.22-1.el7.i686.rpm libexif-devel-0.6.22-1.el7.x86_64.rpm libexif-doc-0.6.22-1.el7.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: libexif-0.6.22-1.el7.src.rpm x86_64: libexif-0.6.22-1.el7.i686.rpm libexif-0.6.22-1.el7.x86_64.rpm libexif-debuginfo-0.6.22-1.el7.i686.rpm libexif-debuginfo-0.6.22-1.el7.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: libexif-debuginfo-0.6.22-1.el7.i686.rpm libexif-debuginfo-0.6.22-1.el7.x86_64.rpm libexif-devel-0.6.22-1.el7.i686.rpm libexif-devel-0.6.22-1.el7.x86_64.rpm libexif-doc-0.6.22-1.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-2019-9278 https://access.redhat.com/security/cve/CVE-2020-0093 https://access.redhat.com/security/cve/CVE-2020-0182 https://access.redhat.com/security/cve/CVE-2020-12767 https://access.redhat.com/security/cve/CVE-2020-13113 https://access.redhat.com/security/cve/CVE-2020-13114 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 iQIVAwUBX3OglNzjgjWX9erEAQiaEw/+Kwa2cBVc0eF4xAe3WeGINp7v3LANvumu h+N2yqrEtR4VMp2ZaITT55tdfJZTUw2YMNAmG4uYmrqwWkBrNYN6qzT5jSvej4Cl BXrNoZfoNe/W0+LJl9NsEyvmwHLmFkiyS1r8T+jOaKVPl2OAhiUWVF4lJZbhovwI agmRP5PJfFO0F07uvSxLknnD7IOgXbizcniih/b4+d7Z5Ixfltv9Qz1HYk4Zw0SK mchrAmvLGLghzrokZu2UGbfu0j6E9XUtV+76ClKK71+0zJLi+ty7ewZoOsU1VAvg ivRL5s5ab9bfBmiJi/ca6LaXBkJ7wAYp6ZIJZqXa246QJ/O3g1m3GqVWlAe6YXKm yFYH3QcnOjguFXJQneus7IbV4Eq2a9T28eXh1kPEMY1YMhckkMt4CW2hcrhNJ6NP /egbLKjZpUhimrKZkoWEj19j1POvozd0ojqa+0rnk3mXoj2t6QU4SgKXuGoO1XpO 7FACS4CZrVXmj0/gsNivoWiCm/jjYmcezGOJQP3HpDBIbSUYcs/tU6jRhc8OvRm2 ITJA2hyPmrxwMnmvXdK/YaOC6cz0eY8L3if3gC0W8LxYBIgvTRdpE/ni3gHvyPha mZacA+Zl2Zl+yn6NmHUr6P29wxeBfD9oMd0ZvOAuLoINF9VgbtWEZ6PKy2CwoZZt q7aLgA4CpGY= =wUgb - -----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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