-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: curl security and bug fix update Advisory ID: RHSA-2021:1610-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:1610 Issue date: 2021-05-18 CVE Names: CVE-2020-8231 CVE-2020-8284 CVE-2020-8285 CVE-2020-8286 ==================================================================== 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: FTP PASV command response can cause curl to connect to arbitrary host (CVE-2020-8284) * curl: Malicious FTP server can trigger stack overflow when CURLOPT_CHUNK_BGN_FUNCTION is used (CVE-2020-8285) * curl: Inferior OCSP verification (CVE-2020-8286) * curl: Expired pointer dereference via multi API with CURLOPT_CONNECT_ONLY option set (CVE-2020-8231) 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 8.4 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/): 1868032 - CVE-2020-8231 curl: Expired pointer dereference via multi API with CURLOPT_CONNECT_ONLY option set 1873327 - libcurl: Segfault when HTTPS_PROXY and NO_PROXY is used together 1895391 - multiarch conflicts in libcurl-minimal 1902667 - CVE-2020-8284 curl: FTP PASV command response can cause curl to connect to arbitrary host 1902687 - CVE-2020-8285 curl: Malicious FTP server can trigger stack overflow when CURLOPT_CHUNK_BGN_FUNCTION is used 1906096 - CVE-2020-8286 curl: Inferior OCSP verification 1918692 - Body dropped from POST request when using proxy with NTLM authentication 6. Package List: Red Hat Enterprise Linux BaseOS (v. 8): Source: curl-7.61.1-18.el8.src.rpm aarch64: curl-7.61.1-18.el8.aarch64.rpm curl-debuginfo-7.61.1-18.el8.aarch64.rpm curl-debugsource-7.61.1-18.el8.aarch64.rpm curl-minimal-debuginfo-7.61.1-18.el8.aarch64.rpm libcurl-7.61.1-18.el8.aarch64.rpm libcurl-debuginfo-7.61.1-18.el8.aarch64.rpm libcurl-devel-7.61.1-18.el8.aarch64.rpm libcurl-minimal-7.61.1-18.el8.aarch64.rpm libcurl-minimal-debuginfo-7.61.1-18.el8.aarch64.rpm ppc64le: curl-7.61.1-18.el8.ppc64le.rpm curl-debuginfo-7.61.1-18.el8.ppc64le.rpm curl-debugsource-7.61.1-18.el8.ppc64le.rpm curl-minimal-debuginfo-7.61.1-18.el8.ppc64le.rpm libcurl-7.61.1-18.el8.ppc64le.rpm libcurl-debuginfo-7.61.1-18.el8.ppc64le.rpm libcurl-devel-7.61.1-18.el8.ppc64le.rpm libcurl-minimal-7.61.1-18.el8.ppc64le.rpm libcurl-minimal-debuginfo-7.61.1-18.el8.ppc64le.rpm s390x: curl-7.61.1-18.el8.s390x.rpm curl-debuginfo-7.61.1-18.el8.s390x.rpm curl-debugsource-7.61.1-18.el8.s390x.rpm curl-minimal-debuginfo-7.61.1-18.el8.s390x.rpm libcurl-7.61.1-18.el8.s390x.rpm libcurl-debuginfo-7.61.1-18.el8.s390x.rpm libcurl-devel-7.61.1-18.el8.s390x.rpm libcurl-minimal-7.61.1-18.el8.s390x.rpm libcurl-minimal-debuginfo-7.61.1-18.el8.s390x.rpm x86_64: curl-7.61.1-18.el8.x86_64.rpm curl-debuginfo-7.61.1-18.el8.i686.rpm curl-debuginfo-7.61.1-18.el8.x86_64.rpm curl-debugsource-7.61.1-18.el8.i686.rpm curl-debugsource-7.61.1-18.el8.x86_64.rpm curl-minimal-debuginfo-7.61.1-18.el8.i686.rpm curl-minimal-debuginfo-7.61.1-18.el8.x86_64.rpm libcurl-7.61.1-18.el8.i686.rpm libcurl-7.61.1-18.el8.x86_64.rpm libcurl-debuginfo-7.61.1-18.el8.i686.rpm libcurl-debuginfo-7.61.1-18.el8.x86_64.rpm libcurl-devel-7.61.1-18.el8.i686.rpm libcurl-devel-7.61.1-18.el8.x86_64.rpm libcurl-minimal-7.61.1-18.el8.i686.rpm libcurl-minimal-7.61.1-18.el8.x86_64.rpm libcurl-minimal-debuginfo-7.61.1-18.el8.i686.rpm libcurl-minimal-debuginfo-7.61.1-18.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-2020-8231 https://access.redhat.com/security/cve/CVE-2020-8284 https://access.redhat.com/security/cve/CVE-2020-8285 https://access.redhat.com/security/cve/CVE-2020-8286 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/ 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYKPto9zjgjWX9erEAQh16A/7Byq8RPmIFM/cXYG93ASi4Zv7hnzQcC2N jmLQXZ6zcISfUgPHrd4ePRczWL/dqdF1qGqtcef0pvnR7WBF6FnKbptGthqgicis T8HKx8wf79RmEXvqenIsLOFCqzoyHOqcBWAmLIjG/w90QiVBd3H/OzPn59WlR27l ulmkFd76mr2CuU05aTTxKA5B7uL9SdDSFB6Ee/9iU9PSq/BqEOuKKcIiReyLwLDt 9x8OII61xtl/rukO3QsBclY5tWBfjx4Ja5gRq5+MWYUvZuGfiT0HnrPCzjbim8Xk ZEPVfYAjGnp9JN2SZCCvjb5DuF6l0AWCG6m8J6kuB4xujJN6v62+QjZ4dcOKB5DH RCZhqk8HRE3uT7vTrnaHvilsOPjKip+NNoxKLBrwIYpbdLx0t1tMGO5obP+jrOmU +2YOcwxaHQZZd2RQP8iK5JsZaTDhzzeWv/g5vYBu+kb1LcBy1x7uwE+yVfbYBgiR 1+coyOfOzjdkaVoaRcJnC9ETKLuWqaWmy/pdWRHKyhtNT3+LF4zK2hMPmYReh1gE hDSR7YcDtnOgpiSIxHDzSQwQSyYwACdOtU5nnr2ZYO2ppm3nTHuXTzmD9YcijQru m2BWtKQTPBdGBbEVoBpYN6OxSC5DkNh53D6e1hzxpb6kIRRyiiinLdNIHVlCJCtW 1dg/uh2h6WQ=FWND -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce