ghsa-vjxv-45g9-9296
Vulnerability from github
Published
2022-08-10 18:40
Modified
2022-08-10 18:40
Severity ?
Summary
cosign's `cosign verify-attestaton --type` can report a false positive if any attestation exists
Details
cosign verify-attestation
used with the --type
flag will report a false positive verification when:
- There is at least one attestation with a valid signature
- There are NO attestations of the type being verified (--type defaults to "custom")
This can happen when signing with a standard keypair and with "keyless" signing with Fulcio. Users should upgrade to cosign version 1.10.1 or greater for a patch. Currently the only workaround is to upgrade.
{ "affected": [ { "package": { "ecosystem": "Go", "name": "github.com/sigstore/cosign" }, "ranges": [ { "events": [ { "introduced": "0" }, { "fixed": "1.10.1" } ], "type": "ECOSYSTEM" } ] } ], "aliases": [ "CVE-2022-35929" ], "database_specific": { "cwe_ids": [ "CWE-347" ], "github_reviewed": true, "github_reviewed_at": "2022-08-10T18:40:38Z", "nvd_published_at": "2022-08-04T19:15:00Z", "severity": "HIGH" }, "details": "`cosign verify-attestation` used with the `--type` flag will report a false positive verification when:\n\n- There is at least one attestation with a valid signature\n- There are NO attestations of the type being verified (--type defaults to \"custom\")\n\nThis can happen when signing with a standard keypair and with \"keyless\" signing with Fulcio. Users should upgrade to cosign version 1.10.1 or greater for a patch. Currently the only workaround is to upgrade.", "id": "GHSA-vjxv-45g9-9296", "modified": "2022-08-10T18:40:38Z", "published": "2022-08-10T18:40:38Z", "references": [ { "type": "WEB", "url": "https://github.com/sigstore/cosign/security/advisories/GHSA-vjxv-45g9-9296" }, { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-35929" }, { "type": "WEB", "url": "https://github.com/sigstore/cosign/commit/c5fda01a8ff33ca981f45a9f13e7fb6bd2080b94" }, { "type": "PACKAGE", "url": "https://github.com/sigstore/cosign" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "type": "CVSS_V3" } ], "summary": "cosign\u0027s `cosign verify-attestaton --type` can report a false positive if any attestation exists" }
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Sightings
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Nomenclature
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