CVE-2025-0306

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-0306", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2025-01-07T11:23:31.713Z", "datePublished": "2025-01-09T04:05:42.194Z", "dateUpdated": "2026-11-05T14:45:54.824Z"}, "containers": {"cna": {"title": "Ruby: openssl: ruby marvin attack", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Ruby. The Ruby interpreter is vulnerable to the Marvin Attack. This attack allows the attacker to decrypt previously encrypted messages or forge signatures by exchanging a large number of messages with the vulnerable service."}], "affected": [{"versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "semver"}], "packageName": "Ruby", "collectionURL": "https://git.ruby-lang.org/ruby.git", "defaultStatus": "unaffected"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ruby", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:enterprise_linux:10"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ruby", "defaultStatus": "unknown", "cpes": ["cpe:/o:redhat:rhel_els:6"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ruby", "defaultStatus": "unknown", "cpes": ["cpe:/o:redhat:rhel_els:7"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ruby:2.5/ruby", "defaultStatus": "unknown", "cpes": ["cpe:/a:redhat:enterprise_linux:8"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ruby:3.1/ruby", "defaultStatus": "unknown", "cpes": ["cpe:/a:redhat:enterprise_linux:8"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ruby:3.3/ruby", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:enterprise_linux:8"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ruby", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:enterprise_linux:9"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ruby:3.1/ruby", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:enterprise_linux:9"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ruby:3.3/ruby", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:enterprise_linux:9"]}, {"vendor": "Red Hat", "product": "Red Hat Storage 3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ruby", "defaultStatus": "unknown", "cpes": ["cpe:/a:redhat:storage:3"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2025-0306", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2336100", "name": "RHBZ#2336100", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2024-06-24T00:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-385", "description": "Covert Timing Channel", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-385: Covert Timing Channel", "workarounds": [{"lang": "en", "value": "See the following possible mitigations for this flaw:\n\n* Do not use the methods with PKCS#1v1.5 padding in network contexts. Make sure that any calls that happen, will perform OAEP decryption only. Do not support PKCS#1v1.5 encryption padding at all.\n\n* Use Ruby with a version of OpenSSL that has the implicit rejection mechanism implemented.(https://github.com/openssl/openssl/pull/13817, https://github.com/openssl/openssl/commit/7fc67e0a33102aa47bbaa56533eeecb98c0450f7 included in 3.2.0, backported to RHEL-8)"}], "timeline": [{"lang": "en", "time": "2025-01-07T11:09:58.639Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2024-06-24T00:00:00.000Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "This issue was discovered by Alicja Kario (Red Hat)."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-11-05T14:45:54.824Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-01-09T16:22:38.700228Z", "id": "CVE-2025-0306", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-01-09T16:22:51.974Z"}}, {"title": "CVE Program Container", "references": [{"url": "https://security.netapp.com/advisory/ntap-20250221-0009/"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-02-21T18:03:34.267Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://security.netapp.com/advisory/ntap-20250221-0009/"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-02-21T18:03:34.267Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-0306", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-01-09T16:22:38.700228Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-01-09T16:22:48.716Z"}}], "cna": {"title": "Ruby: openssl: ruby marvin attack", "credits": [{"lang": "en", "value": "This issue was discovered by Alicja Kario (Red Hat)."}], "metrics": [{"other": {"type": "Red Hat severity rating", "content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}}}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "semver"}], "packageName": "Ruby", "collectionURL": "https://git.ruby-lang.org/ruby.git", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:10"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "packageName": "ruby", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/o:redhat:rhel_els:6"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "packageName": "ruby", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/o:redhat:rhel_els:7"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "packageName": "ruby", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "packageName": "ruby:2.5/ruby", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "packageName": "ruby:3.1/ruby", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "packageName": "ruby:3.3/ruby", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "packageName": "ruby", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "packageName": "ruby:3.1/ruby", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "packageName": "ruby:3.3/ruby", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:storage:3"], "vendor": "Red Hat", "product": "Red Hat Storage 3", "packageName": "ruby", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}], "timeline": [{"lang": "en", "time": "2025-01-07T11:09:58.639Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2024-06-24T00:00:00.000Z", "value": "Made public."}], "datePublic": "2024-06-24T00:00:00.000Z", "references": [{"url": "https://access.redhat.com/security/cve/CVE-2025-0306", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2336100", "name": "RHBZ#2336100", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "workarounds": [{"lang": "en", "value": "See the following possible mitigations for this flaw:\n\n* Do not use the methods with PKCS#1v1.5 padding in network contexts. Make sure that any calls that happen, will perform OAEP decryption only. Do not support PKCS#1v1.5 encryption padding at all.\n\n* Use Ruby with a version of OpenSSL that has the implicit rejection mechanism implemented.(https://github.com/openssl/openssl/pull/13817, https://github.com/openssl/openssl/commit/7fc67e0a33102aa47bbaa56533eeecb98c0450f7 included in 3.2.0, backported to RHEL-8)"}], "x_generator": {"engine": "cvelib 1.8.0"}, "descriptions": [{"lang": "en", "value": "A vulnerability was found in Ruby. The Ruby interpreter is vulnerable to the Marvin Attack. This attack allows the attacker to decrypt previously encrypted messages or forge signatures by exchanging a large number of messages with the vulnerable service."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-385", "description": "Covert Timing Channel"}]}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-11-05T14:45:54.824Z"}, "x_redhatCweChain": "CWE-385: Covert Timing Channel"}}, "cveMetadata": {"cveId": "CVE-2025-0306", "state": "PUBLISHED", "dateUpdated": "2026-11-05T14:45:54.824Z", "dateReserved": "2025-01-07T11:23:31.713Z", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "datePublished": "2025-01-09T04:05:42.194Z", "assignerShortName": "redhat"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://git.ruby-lang.org/ruby.git", "defaultStatus": "unaffected", "packageName": "Ruby", "versions": [{"lessThan": "*", "status": "affected", "version": "0", "versionType": "semver"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:10"], "defaultStatus": "unaffected", "packageName": "ruby", "product": "Red Hat Enterprise Linux 10", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:rhel_els:6"], "defaultStatus": "unknown", "packageName": "ruby", "product": "Red Hat Enterprise Linux 6", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:rhel_els:7"], "defaultStatus": "unknown", "packageName": "ruby", "product": "Red Hat Enterprise Linux 7", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:8"], "defaultStatus": "unknown", "packageName": "ruby:2.5/ruby", "product": "Red Hat Enterprise Linux 8", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:8"], "defaultStatus": "unknown", "packageName": "ruby:3.1/ruby", "product": "Red Hat Enterprise Linux 8", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:8"], "defaultStatus": "unaffected", "packageName": "ruby:3.3/ruby", "product": "Red Hat Enterprise Linux 8", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:9"], "defaultStatus": "unaffected", "packageName": "ruby", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:9"], "defaultStatus": "unaffected", "packageName": "ruby:3.1/ruby", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:9"], "defaultStatus": "unaffected", "packageName": "ruby:3.3/ruby", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:storage:3"], "defaultStatus": "unknown", "packageName": "ruby", "product": "Red Hat Storage 3", "vendor": "Red Hat"}], "source": "secalert@redhat.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Ruby. The Ruby interpreter is vulnerable to the Marvin Attack. This attack allows the attacker to decrypt previously encrypted messages or forge signatures by exchanging a large number of messages with the vulnerable service."}, {"lang": "es", "value": "Se ha descubierto una vulnerabilidad en Ruby. El int\u00e9rprete de Ruby es vulnerable al ataque Marvin. Este ataque permite al atacante descifrar mensajes previamente cifrados o falsificar firmas mediante el intercambio de una gran cantidad de mensajes con el servicio vulnerable."}], "id": "CVE-2025-0306", "lastModified": "2026-11-05T15:17:06.027", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.2, "source": "secalert@redhat.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-0306", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-01-09T16:22:38.700228Z", "version": "2.0.3"}}]}, "published": "2025-01-09T04:15:13.000", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2025-0306"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2336100"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20250221-0009/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-385"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "This issue was discovered by Alicja Kario (Red Hat).", "bugzilla": {"description": "ruby: openssl: Ruby Marvin Attack", "id": "2336100", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2336100"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-385", "details": ["A vulnerability was found in Ruby. The Ruby interpreter is vulnerable to the Marvin Attack. This attack allows the attacker to decrypt previously encrypted messages or forge signatures by exchanging a large number of messages with the vulnerable service.", "A vulnerability was found in Ruby. The Ruby interpreter is vulnerable to the Marvin Attack. This attack allows the attacker to decrypt previously encrypted messages or forge signatures by exchanging a large number of messages with the vulnerable service."], "mitigation": {"lang": "en:us", "value": "See the following possible mitigations for this flaw:\n* Do not use the methods with PKCS#1v1.5 padding in network contexts. Make sure that any calls that happen, will perform OAEP decryption only. Do not support PKCS#1v1.5 encryption padding at all.\n* Use Ruby with a version of OpenSSL that has the implicit rejection mechanism implemented.(https://github.com/openssl/openssl/pull/13817, https://github.com/openssl/openssl/commit/7fc67e0a33102aa47bbaa56533eeecb98c0450f7 included in 3.2.0, backported to RHEL-8)"}, "name": "CVE-2025-0306", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "ruby:2.5/ruby", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "ruby:3.1/ruby", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "ruby:3.3/ruby", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "ruby:3.1/ruby", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "ruby:3.3/ruby", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:storage:3", "fix_state": "Affected", "package_name": "ruby", "product_name": "Red Hat Storage 3"}], "public_date": "2024-06-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-0306\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-0306"], "statement": "More information about the Marvin Attack may be found at https://www.redhat.com/en/blog/marvin-attack.", "threat_severity": "Moderate"}

{}