CVE-2026-3338

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["cpe:/a:redhat:openshift_update_service:5"], "defaultStatus": "unaffected", "packageName": "openshift-update-service/openshift-update-service-rhel8", "product": "Red Hat OpenShift Update Service", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:trusted_profile_analyzer:2"], "defaultStatus": "affected", "packageName": "rhtpa/rhtpa-trustification-service-rhel9", "product": "Red Hat Trusted Profile Analyzer", "vendor": "Red Hat"}], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:amazon:aws-lc-sys:*:*:*:*:*:rust:*:*", "matchCriteriaId": "1657BD7A-BA4B-430A-809F-DE772460B0EA", "versionEndExcluding": "0.38.0", "versionStartIncluding": "0.24.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:amazon:aws_libcrypto:*:*:*:*:*:*:*:*", "matchCriteriaId": "4B6E82AB-2DB6-4350-B218-772CE7852DCC", "versionEndExcluding": "1.69.0", "versionStartIncluding": "1.41.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper signature validation in PKCS7_verify() in AWS-LC allows an unauthenticated user to bypass signature verification when processing PKCS7 objects with Authenticated Attributes.\n\n\n\nCustomers of AWS services do not need to take action. Applications using AWS-LC should upgrade to AWS-LC version 1.69.0."}, {"lang": "es", "value": "La validaci\u00f3n de firma incorrecta en PKCS7_verify() en AWS-LC permite a un usuario no autenticado eludir la verificaci\u00f3n de firma al procesar objetos PKCS7 con atributos autenticados.\n\nLos clientes de los servicios de AWS no necesitan tomar ninguna medida. Las aplicaciones que utilizan AWS-LC deber\u00edan actualizarse a la versi\u00f3n 1.69.0 de AWS-LC."}], "id": "CVE-2026-3338", "lastModified": "2026-07-15T02:20:59.787", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-3338", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-03T14:39:41.025325Z", "version": "2.0.3"}}]}, "published": "2026-03-02T22:16:32.350", "references": [{"source": "ff89ba41-3aa1-4d27-914a-91399e9639e5", "tags": ["Vendor Advisory"], "url": "https://aws.amazon.com/security/security-bulletins/2026-005-AWS/"}, {"source": "ff89ba41-3aa1-4d27-914a-91399e9639e5", "tags": ["Release Notes"], "url": "https://github.com/aws/aws-lc/releases/tag/v1.69.0"}, {"source": "ff89ba41-3aa1-4d27-914a-91399e9639e5", "tags": ["Vendor Advisory"], "url": "https://github.com/aws/aws-lc/security/advisories/GHSA-jchq-39cv-q4wj"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:5459"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/security/cve/CVE-2026-3338"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2444025"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3338.json"}], "sourceIdentifier": "ff89ba41-3aa1-4d27-914a-91399e9639e5", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}], "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-347"}], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}]}

{"bugzilla": {"description": "aws-lc: AWS-LC: Signature bypass due to improper validation in PKCS7_verify()", "id": "2444025", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2444025"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "status": "draft"}, "cwe": "CWE-347", "details": ["No description is available for this CVE."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2026-3338", "package_state": [{"cpe": "cpe:/a:redhat:confidential_compute_attestation:1", "fix_state": "Affected", "package_name": "openshift-sandboxed-containers/osc-monitor-rhel9", "product_name": "Confidential Compute Attestation"}, {"cpe": "cpe:/a:redhat:confidential_compute_attestation:1", "fix_state": "Affected", "package_name": "openshift-sandboxed-containers/osc-operator-bundle", "product_name": "Confidential Compute Attestation"}, {"cpe": "cpe:/a:redhat:confidential_compute_attestation:1", "fix_state": "Affected", "package_name": "openshift-sandboxed-containers/osc-podvm-builder-rhel9", "product_name": "Confidential Compute Attestation"}, {"cpe": "cpe:/a:redhat:confidential_compute_attestation:1", "fix_state": "Affected", "package_name": "openshift-sandboxed-containers/osc-podvm-payload-rhel9", "product_name": "Confidential Compute Attestation"}, {"cpe": "cpe:/a:redhat:confidential_compute_attestation:1", "fix_state": "Affected", "package_name": "openshift-sandboxed-containers/osc-rhel9-operator", "product_name": "Confidential Compute Attestation"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "clevis-pin-trustee", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "trustee", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "virt-firmware-rs", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "clevis-pin-trustee", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "kata-containers", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift_update_service:5", "fix_state": "Affected", "package_name": "openshift-update-service/openshift-update-service-rhel8", "product_name": "Red Hat OpenShift Update Service"}, {"cpe": "cpe:/a:redhat:trusted_artifact_signer:1", "fix_state": "Affected", "package_name": "rhtas/tuffer-rhel9", "product_name": "Red Hat Trusted Artifact Signer"}, {"cpe": "cpe:/a:redhat:trusted_artifact_signer:1", "fix_state": "Affected", "package_name": "rhtas/tuftool-rhel9", "product_name": "Red Hat Trusted Artifact Signer"}, {"cpe": "cpe:/a:redhat:trusted_profile_analyzer:2", "fix_state": "Affected", "package_name": "rhtpa/rhtpa-trustification-service-rhel9", "product_name": "Red Hat Trusted Profile Analyzer"}], "public_date": "2026-03-02T21:22:41Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-3338\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-3338\nhttps://aws.amazon.com/security/security-bulletins/2026-005-AWS/\nhttps://github.com/aws/aws-lc/releases/tag/v1.69.0"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.41.0,1.69.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "AWS-LC", "source": "cna", "vendor": "AWS"}, "product": "aws-lc", "vendor": "aws"}], "analysis": {"en": {"generated_at": "2026-04-17T13:28:12.259610+00:00", "value": {"mitigation_remediation": ["Upgrade AWS\u2011LC to version 1.69.0 or later.", "If an immediate upgrade is not possible, review application code to ensure that PKCS7_verify is only called with trusted data and avoid processing authenticated attribute PKCS7 objects from untrusted sources.", "Add a defensive wrapper around PKCS7_verify that performs strict validation of the PKCS7 structure and authenticated attributes before invocation, rejecting any object that does not conform."], "summary": {"action": "Patch", "impact": "Signature Forgery"}, "threat_synthesis": {"affected_systems": "The vulnerability exists in the AWS\u2011LC library from Amazon Web Services. The advisory does not specify all affected version ranges, but customers using legacy AWS\u2011LC binaries should upgrade to at least version 1.69.0, which includes the fix. No other vendors or products are listed.", "description_and_impact": "Improper signature validation in PKCS7_verify() in AWS\u2011LC allows an unauthenticated user to bypass verification when processing PKCS7 objects that contain authenticated attributes. This flaw means that forged signatures can be accepted as valid, potentially enabling an attacker to impersonate legitimate signers or perform unauthorized operations that rely on signature authenticity and integrity.", "risk_and_exploitability": "The CVSS score of 8.7 indicates a high severity vulnerability. The EPSS score is reported as less than 1\u202f%, suggesting that exploitation is considered unlikely at the time of analysis. The flaw is not listed in CISA\u2019s KEV catalog. The attack vector is not explicitly stated in the advisory; it is inferred that an attacker would need to supply a crafted PKCS7 object to a vulnerable application that uses AWS\u2011LC's PKCS7_verify function, thus the vulnerability can be exploited remotely or locally depending on how the library is accessed."}}}}, "created": "2026-03-03T08:40:54.898512+00:00", "updated": "2026-04-17T13:30:19.607768+00:00", "vendors": ["aws", "aws$PRODUCT$aws-lc"]}