{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"category":"csaf_vex","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":"SUSE CVE-2022-23649","title":"Title"},{"category":"description","text":"Cosign provides container signing, verification, and storage in an OCI registry for the sigstore project. Prior to version 1.5.2, Cosign can be manipulated to claim that an entry for a signature exists in the Rekor transparency log even if it doesn't. This requires the attacker to have pull and push permissions for the signature in OCI. This can happen with both standard signing with a keypair and \"keyless signing\" with Fulcio. If an attacker has access to the signature in OCI, they can manipulate cosign into believing the entry was stored in Rekor even though it wasn't. The vulnerability has been patched in v1.5.2 of Cosign. The `signature` in the `signedEntryTimestamp` provided by Rekor is now compared to the `signature` that is being verified. If these don't match, then an error is returned. If a valid bundle is copied to a different signature, verification should fail. Cosign output now only informs the user that certificates were verified if a certificate was in fact verified. There is currently no known workaround.","title":"Description of the CVE"},{"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 Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"CVE-2022-23649","url":"https://www.suse.com/security/cve/CVE-2022-23649"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1196239 for CVE-2022-23649","url":"https://bugzilla.suse.com/1196239"}],"title":"SUSE CVE CVE-2022-23649","tracking":{"current_release_date":"2026-01-23T04:09:53Z","generator":{"date":"2023-02-15T03:28:01Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2022-23649","initial_release_date":"2023-02-15T03:28:01Z","revision_history":[{"date":"2023-02-15T03:28:01Z","number":"2","summary":"Current version"},{"date":"2024-11-12T01:10:18Z","number":"3","summary":"Current version"},{"date":"2025-01-01T03:12:57Z","number":"4","summary":"Current version"},{"date":"2025-01-10T01:59:58Z","number":"5","summary":"Current version"},{"date":"2025-02-14T07:56:48Z","number":"6","summary":"Current version"},{"date":"2025-02-16T07:38:30Z","number":"7","summary":"Current version"},{"date":"2025-03-15T07:43:13Z","number":"8","summary":"Current version"},{"date":"2025-04-25T03:46:07Z","number":"9","summary":"Current version"},{"date":"2025-06-26T03:22:34Z","number":"10","summary":"Current version"},{"date":"2025-07-02T02:36:05Z","number":"11","summary":"Current version"},{"date":"2025-07-16T01:41:44Z","number":"12","summary":"Current version"},{"date":"2025-11-03T03:37:07Z","number":"13","summary":"Current version"},{"date":"2026-01-23T04:09:53Z","number":"14","summary":"unknown changes"}],"status":"interim","version":"14"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_name","name":"SUSE Linux Enterprise Desktop 15 SP4","product":{"name":"SUSE Linux Enterprise Desktop 15 SP4","product_id":"SUSE Linux Enterprise Desktop 15 SP4","product_identification_helper":{"cpe":"cpe:/o:suse:sled:15:sp4"}}},{"category":"product_name","name":"SUSE Linux Enterprise Desktop 15 SP5","product":{"name":"SUSE Linux Enterprise Desktop 15 SP5","product_id":"SUSE Linux Enterprise Desktop 15 SP5","product_identification_helper":{"cpe":"cpe:/o:suse:sled:15:sp5"}}},{"category":"product_name","name":"SUSE Linux Enterprise Desktop 15 SP6","product":{"name":"SUSE Linux 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Prior to version 1.5.2, Cosign can be manipulated to claim that an entry for a signature exists in the Rekor transparency log even if it doesn't. This requires the attacker to have pull and push permissions for the signature in OCI. This can happen with both standard signing with a keypair and \"keyless signing\" with Fulcio. If an attacker has access to the signature in OCI, they can manipulate cosign into believing the entry was stored in Rekor even though it wasn't. The vulnerability has been patched in v1.5.2 of Cosign. The `signature` in the `signedEntryTimestamp` provided by Rekor is now compared to the `signature` that is being verified. If these don't match, then an error is returned. If a valid bundle is copied to a different signature, verification should fail. Cosign output now only informs the user that certificates were verified if a certificate was in fact verified. There is currently no known workaround.","title":"CVE description"}],"product_status":{"known_not_affected":["SUSE Linux Enterprise Desktop 15 SP4:cosign","SUSE Linux Enterprise High Performance Computing 15 SP4:cosign","SUSE Linux Enterprise Module for Basesystem 15 SP4:cosign","SUSE Linux Enterprise Server 15 SP4:cosign","SUSE Linux Enterprise Server for SAP Applications 15 SP4:cosign","SUSE Manager Proxy 4.3:cosign","SUSE Manager Retail Branch Server 4.3:cosign","SUSE Manager Server 4.3:cosign"],"recommended":["SUSE Linux Enterprise Desktop 15 SP4:cosign-1.5.2-150400.1.7","SUSE Linux Enterprise Desktop 15 SP5:cosign-1.12.0-150400.3.6.1","SUSE Linux Enterprise Desktop 15 SP6:cosign-2.2.3-150400.3.17.1","SUSE Linux Enterprise Desktop 15 SP7:cosign-2.5.0-150400.3.27.1","SUSE Linux Enterprise Desktop 15 SP7:cosign-bash-completion-2.5.0-150400.3.27.1","SUSE Linux Enterprise Desktop 15 SP7:cosign-zsh-completion-2.5.0-150400.3.27.1","SUSE Linux Enterprise High Performance Computing 15 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