{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"important"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for cosign","title":"Title of the patch"},{"category":"description","text":"This update for cosign fixes the following issues:\n\nUpdated to version 1.12.0 (jsc#SLE-23879):\n- CVE-2022-36056: Fixed verify-blob could successfully verify an artifact when verification should have failed (bsc#1203430).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2022-3486,SUSE-SLE-Module-Basesystem-15-SP4-2022-3486,openSUSE-SLE-15.4-2022-3486","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security 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In versions prior to 1.12.0 a number of vulnerabilities have been found in cosign verify-blob, where Cosign would successfully verify an artifact when verification should have failed. First a cosign bundle can be crafted to successfully verify a blob even if the embedded rekorBundle does not reference the given signature. Second, when providing identity flags, the email and issuer of a certificate is not checked when verifying a Rekor bundle, and the GitHub Actions identity is never checked. Third, providing an invalid Rekor bundle without the experimental flag results in a successful verification. And fourth an invalid transparency log entry will result in immediate success for verification. Details and examples of these issues can be seen in the GHSA-8gw7-4j42-w388 advisory linked. Users are advised to upgrade to 1.12.0. There are no known workarounds for these issues.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Module for Basesystem 15 SP4:cosign-1.12.0-150400.3.6.1.aarch64","SUSE Linux Enterprise Module for Basesystem 15 SP4:cosign-1.12.0-150400.3.6.1.ppc64le","SUSE Linux Enterprise Module for Basesystem 15 SP4:cosign-1.12.0-150400.3.6.1.s390x","SUSE Linux Enterprise Module for Basesystem 15 SP4:cosign-1.12.0-150400.3.6.1.x86_64","openSUSE Leap 15.4:cosign-1.12.0-150400.3.6.1.aarch64","openSUSE Leap 15.4:cosign-1.12.0-150400.3.6.1.ppc64le","openSUSE Leap 15.4:cosign-1.12.0-150400.3.6.1.s390x","openSUSE Leap 15.4:cosign-1.12.0-150400.3.6.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2022-36056","url":"https://www.suse.com/security/cve/CVE-2022-36056"},{"category":"external","summary":"SUSE Bug 1203430 for CVE-2022-36056","url":"https://bugzilla.suse.com/1203430"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Module for Basesystem 15 SP4:cosign-1.12.0-150400.3.6.1.aarch64","SUSE Linux Enterprise Module for Basesystem 15 SP4:cosign-1.12.0-150400.3.6.1.ppc64le","SUSE Linux Enterprise Module for Basesystem 15 SP4:cosign-1.12.0-150400.3.6.1.s390x","SUSE Linux Enterprise Module for Basesystem 15 SP4:cosign-1.12.0-150400.3.6.1.x86_64","openSUSE Leap 15.4:cosign-1.12.0-150400.3.6.1.aarch64","openSUSE Leap 15.4:cosign-1.12.0-150400.3.6.1.ppc64le","openSUSE Leap 15.4:cosign-1.12.0-150400.3.6.1.s390x","openSUSE Leap 15.4:cosign-1.12.0-150400.3.6.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"products":["SUSE Linux Enterprise Module for Basesystem 15 SP4:cosign-1.12.0-150400.3.6.1.aarch64","SUSE Linux Enterprise Module for Basesystem 15 SP4:cosign-1.12.0-150400.3.6.1.ppc64le","SUSE Linux Enterprise Module for Basesystem 15 SP4:cosign-1.12.0-150400.3.6.1.s390x","SUSE Linux Enterprise Module for Basesystem 15 SP4:cosign-1.12.0-150400.3.6.1.x86_64","openSUSE Leap 15.4:cosign-1.12.0-150400.3.6.1.aarch64","openSUSE Leap 15.4:cosign-1.12.0-150400.3.6.1.ppc64le","openSUSE Leap 15.4:cosign-1.12.0-150400.3.6.1.s390x","openSUSE Leap 15.4:cosign-1.12.0-150400.3.6.1.x86_64"]}],"threats":[{"category":"impact","date":"2022-10-01T11:33:59Z","details":"moderate"}],"title":"CVE-2022-36056"}]}