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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3748 curl security and bug fix update 10 November 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: curl Publisher: Red Hat Operating System: Red Hat Impact/Access: Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2021-22925 CVE-2021-22898 CVE-2021-22876 Reference: ESB-2021.2526 ESB-2021.2494 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:4511 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: curl security and bug fix update Advisory ID: RHSA-2021:4511-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4511 Issue date: 2021-11-09 CVE Names: CVE-2021-22876 CVE-2021-22898 CVE-2021-22925 ===================================================================== 1. Summary: An update for curl 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 BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64 3. Description: The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP. Security Fix(es): * curl: Leak of authentication credentials in URL via automatic Referer (CVE-2021-22876) * curl: TELNET stack contents disclosure (CVE-2021-22898) * curl: Incorrect fix for CVE-2021-22898 TELNET stack contents disclosure (CVE-2021-22925) 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 5. Bugs fixed (https://bugzilla.redhat.com/): 1941964 - CVE-2021-22876 curl: Leak of authentication credentials in URL via automatic Referer 1947493 - Why there is a difference between curl --head output on the RHEL7 and RHEL8. 1964887 - CVE-2021-22898 curl: TELNET stack contents disclosure 1970902 - CVE-2021-22925 curl: Incorrect fix for CVE-2021-22898 TELNET stack contents disclosure 6. Package List: Red Hat Enterprise Linux BaseOS (v. 8): Source: curl-7.61.1-22.el8.src.rpm aarch64: curl-7.61.1-22.el8.aarch64.rpm curl-debuginfo-7.61.1-22.el8.aarch64.rpm curl-debugsource-7.61.1-22.el8.aarch64.rpm curl-minimal-debuginfo-7.61.1-22.el8.aarch64.rpm libcurl-7.61.1-22.el8.aarch64.rpm libcurl-debuginfo-7.61.1-22.el8.aarch64.rpm libcurl-devel-7.61.1-22.el8.aarch64.rpm libcurl-minimal-7.61.1-22.el8.aarch64.rpm libcurl-minimal-debuginfo-7.61.1-22.el8.aarch64.rpm ppc64le: curl-7.61.1-22.el8.ppc64le.rpm curl-debuginfo-7.61.1-22.el8.ppc64le.rpm curl-debugsource-7.61.1-22.el8.ppc64le.rpm curl-minimal-debuginfo-7.61.1-22.el8.ppc64le.rpm libcurl-7.61.1-22.el8.ppc64le.rpm libcurl-debuginfo-7.61.1-22.el8.ppc64le.rpm libcurl-devel-7.61.1-22.el8.ppc64le.rpm libcurl-minimal-7.61.1-22.el8.ppc64le.rpm libcurl-minimal-debuginfo-7.61.1-22.el8.ppc64le.rpm s390x: curl-7.61.1-22.el8.s390x.rpm curl-debuginfo-7.61.1-22.el8.s390x.rpm curl-debugsource-7.61.1-22.el8.s390x.rpm curl-minimal-debuginfo-7.61.1-22.el8.s390x.rpm libcurl-7.61.1-22.el8.s390x.rpm libcurl-debuginfo-7.61.1-22.el8.s390x.rpm libcurl-devel-7.61.1-22.el8.s390x.rpm libcurl-minimal-7.61.1-22.el8.s390x.rpm libcurl-minimal-debuginfo-7.61.1-22.el8.s390x.rpm x86_64: curl-7.61.1-22.el8.x86_64.rpm curl-debuginfo-7.61.1-22.el8.i686.rpm curl-debuginfo-7.61.1-22.el8.x86_64.rpm curl-debugsource-7.61.1-22.el8.i686.rpm curl-debugsource-7.61.1-22.el8.x86_64.rpm curl-minimal-debuginfo-7.61.1-22.el8.i686.rpm curl-minimal-debuginfo-7.61.1-22.el8.x86_64.rpm libcurl-7.61.1-22.el8.i686.rpm libcurl-7.61.1-22.el8.x86_64.rpm libcurl-debuginfo-7.61.1-22.el8.i686.rpm libcurl-debuginfo-7.61.1-22.el8.x86_64.rpm libcurl-devel-7.61.1-22.el8.i686.rpm libcurl-devel-7.61.1-22.el8.x86_64.rpm libcurl-minimal-7.61.1-22.el8.i686.rpm libcurl-minimal-7.61.1-22.el8.x86_64.rpm libcurl-minimal-debuginfo-7.61.1-22.el8.i686.rpm libcurl-minimal-debuginfo-7.61.1-22.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-2021-22876 https://access.redhat.com/security/cve/CVE-2021-22898 https://access.redhat.com/security/cve/CVE-2021-22925 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 iQIVAwUBYYrePtzjgjWX9erEAQi1vg/+NwMM5Xa95S/32eA64QYnxTQcWSn6wyzC wHAIvXVu4L9kZrLqCm2zeO6US0KFZ6tCEgjamDjgO+9b1mYso3b3R2DDTbWtq4i+ gsbCths+Bqhn45Qsk9kQdhznS/MF+tWeNK06KnkJ02NmgxcuISWLQirx32Xc230e Hs0P9TarBo04m+6HDC7CeloD8rkqpQJ4nJhX8hujaEUbukSPlkizyT/IlWTAFR9l GLZfIkFpifNqtQzn9j6dxcefXq0BcMfAMsSbRsh7E0oJGi9x79ySEO+r5b4dlsqK 30PfEJxjrFZN3TuqzbG7pfdpKRRmUzdXCHpxb5MxXrkeD7xuzPomrorKayUIQi6g YhESs4khV+i+6zqCNHpYdBcDbxuiYJ1w80kg/31YC7u7YEI4IlMISzw7CctzQEhk +SqVOVKxI8Rn7OZSzb3cR6LubmR1UihMblYHHgaJ9mA7r9zAC7evddzhkxMtQ42P 81V3u0YaZKxWAy8d/brDz2YS/1Y7nnGsjNUaRZxTlWxbcjSz2cf/DPu8A5IiHS6T M/OA8MBC4mFkQkBf4v5PKWBZe6K+gEfmJzfjlQ8nTFhYhHwNtC1z8tMP42ugNGYY ejAfwtZ5Tw3AnuOBeb+bm148KSd/W1UPSUyJh6IrgwzMbkfDNKmKy+7gaIXZ3otd clmEcx7lYW4= =7Kqb - -----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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