{"id":"GHSA-hfpc-8r3f-gw53","summary":"AWS-LC has PKCS7_verify Signature Validation Bypass","details":"### Summary\nAWS-LC is an open-source, general-purpose cryptographic library.\n\n### Impact\nImproper signature validation in PKCS7_verify() in AWS-LC allows an unauthenticated user to bypass signature verification when processing PKCS7 objects with Authenticated Attributes.\n\nCustomers of AWS services do not need to take action. aws-lc-sys contains code from AWS-LC. Applications using aws-lc-sys should upgrade to the most recent release of aws-lc-sys.\n\n#### Impacted versions: \naws-lc-sys versions: \u003e= 0.24.0, \u003c 0.38.0\n\n### Patches\nThe patch is included in v0.38.0\n\n### Workarounds\nThere is no workaround. Applications using aws-lc-sys should upgrade to the most recent release of aws-lc-sys.\n\n### Resources\nIf there are any questions or comments about this advisory, contact [AWS/Amazon] Security via the [vulnerability reporting page](https://aws.amazon.com/security/vulnerability-reporting) or directly via email to [aws-security@amazon.com](mailto:aws-security@amazon.com). Please do not create a public GitHub issue.","aliases":["CVE-2026-3338","GHSA-jchq-39cv-q4wj","RUSTSEC-2026-0047"],"modified":"2026-09-10T03:50:39.503997737Z","published":"2026-03-03T20:25:39Z","database_specific":{"cwe_ids":["CWE-347"],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2026-03-03T20:25:39Z","nvd_published_at":null},"references":[{"type":"WEB","url":"https://github.com/aws/aws-lc-rs/security/advisories/GHSA-hfpc-8r3f-gw53"},{"type":"WEB","url":"https://github.com/aws/aws-lc/security/advisories/GHSA-jchq-39cv-q4wj"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3338"},{"type":"WEB","url":"https://aws.amazon.com/security/security-bulletins/2026-005-AWS"},{"type":"PACKAGE","url":"https://github.com/aws/aws-lc-rs"},{"type":"WEB","url":"https://rustsec.org/advisories/RUSTSEC-2026-0047.html"}],"affected":[{"package":{"name":"aws-lc-sys","ecosystem":"crates.io","purl":"pkg:cargo/aws-lc-sys"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.24.0"},{"fixed":"0.38.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-hfpc-8r3f-gw53/GHSA-hfpc-8r3f-gw53.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}