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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3814 libtiff security and bug fix update 10 November 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libtiff Publisher: Red Hat Operating System: Red Hat Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-35524 CVE-2020-35523 CVE-2020-35522 CVE-2020-35521 Reference: ESB-2021.2247 ESB-2021.0715 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:4241 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: libtiff security and bug fix update Advisory ID: RHSA-2021:4241-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4241 Issue date: 2021-11-09 CVE Names: CVE-2020-35521 CVE-2020-35522 CVE-2020-35523 CVE-2020-35524 ===================================================================== 1. Summary: An update for libtiff is now available for Red Hat Enterprise Linux 8. 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 AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux CRB (v. 8) - aarch64, ppc64le, s390x, x86_64 3. Description: The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files. Security Fix(es): * libtiff: Integer overflow in tif_getimage.c (CVE-2020-35523) * libtiff: Heap-based buffer overflow in TIFF2PDF tool (CVE-2020-35524) * libtiff: Memory allocation failure in tiff2rgba (CVE-2020-35521) * libtiff: Memory allocation failure in tiff2rgba (CVE-2020-35522) 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 8.5 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 All running applications linked against libtiff must be restarted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1932034 - CVE-2020-35521 libtiff: Memory allocation failure in tiff2rgba 1932037 - CVE-2020-35522 libtiff: Memory allocation failure in tiff2rgba 1932040 - CVE-2020-35523 libtiff: Integer overflow in tif_getimage.c 1932044 - CVE-2020-35524 libtiff: Heap-based buffer overflow in TIFF2PDF tool 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: libtiff-4.0.9-20.el8.src.rpm aarch64: libtiff-4.0.9-20.el8.aarch64.rpm libtiff-debuginfo-4.0.9-20.el8.aarch64.rpm libtiff-debugsource-4.0.9-20.el8.aarch64.rpm libtiff-devel-4.0.9-20.el8.aarch64.rpm libtiff-tools-debuginfo-4.0.9-20.el8.aarch64.rpm ppc64le: libtiff-4.0.9-20.el8.ppc64le.rpm libtiff-debuginfo-4.0.9-20.el8.ppc64le.rpm libtiff-debugsource-4.0.9-20.el8.ppc64le.rpm libtiff-devel-4.0.9-20.el8.ppc64le.rpm libtiff-tools-debuginfo-4.0.9-20.el8.ppc64le.rpm s390x: libtiff-4.0.9-20.el8.s390x.rpm libtiff-debuginfo-4.0.9-20.el8.s390x.rpm libtiff-debugsource-4.0.9-20.el8.s390x.rpm libtiff-devel-4.0.9-20.el8.s390x.rpm libtiff-tools-debuginfo-4.0.9-20.el8.s390x.rpm x86_64: libtiff-4.0.9-20.el8.i686.rpm libtiff-4.0.9-20.el8.x86_64.rpm libtiff-debuginfo-4.0.9-20.el8.i686.rpm libtiff-debuginfo-4.0.9-20.el8.x86_64.rpm libtiff-debugsource-4.0.9-20.el8.i686.rpm libtiff-debugsource-4.0.9-20.el8.x86_64.rpm libtiff-devel-4.0.9-20.el8.i686.rpm libtiff-devel-4.0.9-20.el8.x86_64.rpm libtiff-tools-debuginfo-4.0.9-20.el8.i686.rpm libtiff-tools-debuginfo-4.0.9-20.el8.x86_64.rpm Red Hat Enterprise Linux CRB (v. 8): aarch64: libtiff-debuginfo-4.0.9-20.el8.aarch64.rpm libtiff-debugsource-4.0.9-20.el8.aarch64.rpm libtiff-tools-4.0.9-20.el8.aarch64.rpm libtiff-tools-debuginfo-4.0.9-20.el8.aarch64.rpm ppc64le: libtiff-debuginfo-4.0.9-20.el8.ppc64le.rpm libtiff-debugsource-4.0.9-20.el8.ppc64le.rpm libtiff-tools-4.0.9-20.el8.ppc64le.rpm libtiff-tools-debuginfo-4.0.9-20.el8.ppc64le.rpm s390x: libtiff-debuginfo-4.0.9-20.el8.s390x.rpm libtiff-debugsource-4.0.9-20.el8.s390x.rpm libtiff-tools-4.0.9-20.el8.s390x.rpm libtiff-tools-debuginfo-4.0.9-20.el8.s390x.rpm x86_64: libtiff-debuginfo-4.0.9-20.el8.x86_64.rpm libtiff-debugsource-4.0.9-20.el8.x86_64.rpm libtiff-tools-4.0.9-20.el8.x86_64.rpm libtiff-tools-debuginfo-4.0.9-20.el8.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-2020-35521 https://access.redhat.com/security/cve/CVE-2020-35522 https://access.redhat.com/security/cve/CVE-2020-35523 https://access.redhat.com/security/cve/CVE-2020-35524 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/ 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYYrettzjgjWX9erEAQg7nBAAonFpKIWzJ5XuR8A8hIptIDtQ3xx1RU1h zeaiIXkqFHOOs6LJVBwD9d6qBOQLQzc04rKG0YX5iOa/Q4KLvROtDYhXAnEihwwB pvywA11OLbUxInz+4j/9ZWZl1WWoe0SPxUPpuDQiCAFTpXD4ydwKWHwLO/6u3L/Y FA4ZYpPwozosUgepaMMuCxMKXHBMMypFhGIH5cgpFekBpBbmLNcDLGcIS9yNxHxs UQRyZw+KPkW76ohqxRSs9wkvFeSmnpazMfosLv7zIkgDMVRjkBlbvtacvMHvW2Qu AwkM1jog6hC9CDf3K+gDNdXLNlqepazZibhy4cPmYi1JvlwD8L7ZdcHlfU86v2v3 6eDloXauT1sagoDPluYfVoU5GFFqfy9TNRgDV1PeSfLu/ztaZ2CYl8FH+2qbikOL 4oFSwVYKqqYIEM0wSic2zcYqswhTPCiLLUOxLRG1DXsKPNCGh/2/76burXzeIIRS zghKUHYOY4+fgrOuBegP7TSjwwK0MATZ84vubNPA2PBWzPMDZ4Mb5WzQd7Wjbmur n48ZAAaz2Q6YExBR5ICLFUwWCcgAV5TGwX3z1YWE6pXt5VABJyKAo9oAAUHPYA78 kKE8X8CNcJ0DW6tSfNDb9uaxX2HSqXzudiPwyj/A9K2XE8isAvbIunoTKtDXtN0z Jxc6a4SHq7E= =Mt6c - -----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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