-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: c-ares security update Advisory ID: RHSA-2023:3677-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:3677 Issue date: 2023-06-20 CVE Names: CVE-2023-32067 ===================================================================== 1. Summary: An update for c-ares is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 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 BaseOS AUS (v.8.4) - x86_64 Red Hat Enterprise Linux BaseOS E4S (v.8.4) - aarch64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux BaseOS TUS (v.8.4) - aarch64, ppc64le, s390x, x86_64 3. Description: The c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API. Security Fix(es): * c-ares: 0-byte UDP payload Denial of Service (CVE-2023-32067) 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 5. Bugs fixed (https://bugzilla.redhat.com/): 2209502 - CVE-2023-32067 c-ares: 0-byte UDP payload Denial of Service 6. Package List: Red Hat Enterprise Linux BaseOS AUS (v.8.4): Source: c-ares-1.13.0-5.el8_4.2.src.rpm x86_64: c-ares-1.13.0-5.el8_4.2.i686.rpm c-ares-1.13.0-5.el8_4.2.x86_64.rpm c-ares-debuginfo-1.13.0-5.el8_4.2.i686.rpm c-ares-debuginfo-1.13.0-5.el8_4.2.x86_64.rpm c-ares-debugsource-1.13.0-5.el8_4.2.i686.rpm c-ares-debugsource-1.13.0-5.el8_4.2.x86_64.rpm c-ares-devel-1.13.0-5.el8_4.2.i686.rpm c-ares-devel-1.13.0-5.el8_4.2.x86_64.rpm Red Hat Enterprise Linux BaseOS E4S (v.8.4): Source: c-ares-1.13.0-5.el8_4.2.src.rpm aarch64: c-ares-1.13.0-5.el8_4.2.aarch64.rpm c-ares-debuginfo-1.13.0-5.el8_4.2.aarch64.rpm c-ares-debugsource-1.13.0-5.el8_4.2.aarch64.rpm c-ares-devel-1.13.0-5.el8_4.2.aarch64.rpm ppc64le: c-ares-1.13.0-5.el8_4.2.ppc64le.rpm c-ares-debuginfo-1.13.0-5.el8_4.2.ppc64le.rpm c-ares-debugsource-1.13.0-5.el8_4.2.ppc64le.rpm c-ares-devel-1.13.0-5.el8_4.2.ppc64le.rpm s390x: c-ares-1.13.0-5.el8_4.2.s390x.rpm c-ares-debuginfo-1.13.0-5.el8_4.2.s390x.rpm c-ares-debugsource-1.13.0-5.el8_4.2.s390x.rpm c-ares-devel-1.13.0-5.el8_4.2.s390x.rpm x86_64: c-ares-1.13.0-5.el8_4.2.i686.rpm c-ares-1.13.0-5.el8_4.2.x86_64.rpm c-ares-debuginfo-1.13.0-5.el8_4.2.i686.rpm c-ares-debuginfo-1.13.0-5.el8_4.2.x86_64.rpm c-ares-debugsource-1.13.0-5.el8_4.2.i686.rpm c-ares-debugsource-1.13.0-5.el8_4.2.x86_64.rpm c-ares-devel-1.13.0-5.el8_4.2.i686.rpm c-ares-devel-1.13.0-5.el8_4.2.x86_64.rpm Red Hat Enterprise Linux BaseOS TUS (v.8.4): Source: c-ares-1.13.0-5.el8_4.2.src.rpm aarch64: c-ares-1.13.0-5.el8_4.2.aarch64.rpm c-ares-debuginfo-1.13.0-5.el8_4.2.aarch64.rpm c-ares-debugsource-1.13.0-5.el8_4.2.aarch64.rpm c-ares-devel-1.13.0-5.el8_4.2.aarch64.rpm ppc64le: c-ares-1.13.0-5.el8_4.2.ppc64le.rpm c-ares-debuginfo-1.13.0-5.el8_4.2.ppc64le.rpm c-ares-debugsource-1.13.0-5.el8_4.2.ppc64le.rpm c-ares-devel-1.13.0-5.el8_4.2.ppc64le.rpm s390x: c-ares-1.13.0-5.el8_4.2.s390x.rpm c-ares-debuginfo-1.13.0-5.el8_4.2.s390x.rpm c-ares-debugsource-1.13.0-5.el8_4.2.s390x.rpm c-ares-devel-1.13.0-5.el8_4.2.s390x.rpm x86_64: c-ares-1.13.0-5.el8_4.2.i686.rpm c-ares-1.13.0-5.el8_4.2.x86_64.rpm c-ares-debuginfo-1.13.0-5.el8_4.2.i686.rpm c-ares-debuginfo-1.13.0-5.el8_4.2.x86_64.rpm c-ares-debugsource-1.13.0-5.el8_4.2.i686.rpm c-ares-debugsource-1.13.0-5.el8_4.2.x86_64.rpm c-ares-devel-1.13.0-5.el8_4.2.i686.rpm c-ares-devel-1.13.0-5.el8_4.2.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-2023-32067 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2023 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBZJGf/9zjgjWX9erEAQh3qhAAl74xXfT8cPd/mANEZYuASoaIelFbDyHT /U2b1y/JstPgQ1CbvVORE5hOkI7drwE3C2STG2WLNjXv1rqyP0BJmYW7Y2gPNML8 GzX1SAv9pvwyogJx4BjPzsSPV5RhFXyrXB43RzT5topJwNAokYOGjxM6yrxObTZN KitSozcArD2DCXIugHkBsLkFTSYiSiMxD/ckQ71j+HQY6AsazEpg95nbI+039DOk JlWNnXkHU6Softb4Nj4VFKPPHG2zb2lA16ptDMEBdprBwOZ9IlV3+6F21Ml7yRoc BT4mMXBhQ8N2PyEeQYJQL32mYjCaLu7LttgWDupL1Zj/nsgagrfQnDez6tqwvQzF 0A7auw2esxzUb99JTTKUOlquD4ezzXZee/jY2tvg0Wmnpa5zF6eAU+EvnjRybach YcJ+I34zXE3w2hqzJdRid1s5xIpygIj7ebqWO54GOJRdIZB1iYoLoyjVkjxAI26n Je/YhrBBeSX8Laz+AD3qp80WE1EPXn9DWcW/KlowZHN9VD5b/6BRqVls1cVQFfDB aBBlLRO85sHlIe13YIHoQwfw8sN7cfQF67AT7YeBfl5l0Y7DsHtYGAi8x2OM27Rs Znm96i+s2o5i2FAkjCo0+FjzYJ0lJ5aQ5SVFoluSabLsUNCKT31zaGVe+JOWVP5S XVnYxk23dRM= =i0cM -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce